Run default Android Studio formatter on code

app/src/main/java/eu/kanade/tachiyomi/data/backup/BackupConst.kt

@@ -1,4 +1,5 @@
 package eu.kanade.tachiyomi.data.backup
+
 import eu.kanade.tachiyomi.BuildConfig.APPLICATION_ID as ID
 
 
@@ -20,4 +21,4 @@ object BackupConst {
     const val EXTRA_TIME = "$ID.$INTENT_FILTER.EXTRA_TIME"
     const val EXTRA_ERROR_FILE_PATH = "$ID.$INTENT_FILTER.EXTRA_ERROR_FILE_PATH"
     const val EXTRA_ERROR_FILE = "$ID.$INTENT_FILTER.EXTRA_ERROR_FILE"
-}
+}

app/src/main/java/eu/kanade/tachiyomi/data/backup/BackupRestoreService.kt

@@ -217,10 +217,14 @@ class BackupRestoreService : Service() {
                 .concatMap {
                     val obj = it.asJsonObject
                     val manga = backupManager.parser.fromJson<MangaImpl>(obj.get(MANGA))
-                    val chapters = backupManager.parser.fromJson<List<ChapterImpl>>(obj.get(CHAPTERS) ?: JsonArray())
+                    val chapters = backupManager.parser.fromJson<List<ChapterImpl>>(obj.get(CHAPTERS)
-                    val categories = backupManager.parser.fromJson<List<String>>(obj.get(CATEGORIES) ?: JsonArray())
+                            ?: JsonArray())
-                    val history = backupManager.parser.fromJson<List<DHistory>>(obj.get(HISTORY) ?: JsonArray())
+                    val categories = backupManager.parser.fromJson<List<String>>(obj.get(CATEGORIES)
-                    val tracks = backupManager.parser.fromJson<List<TrackImpl>>(obj.get(TRACK) ?: JsonArray())
+                            ?: JsonArray())
+                    val history = backupManager.parser.fromJson<List<DHistory>>(obj.get(HISTORY)
+                            ?: JsonArray())
+                    val tracks = backupManager.parser.fromJson<List<TrackImpl>>(obj.get(TRACK)
+                            ?: JsonArray())
 
                     val observable = getMangaRestoreObservable(manga, chapters, categories, history, tracks)
                     if (observable != null) {

app/src/main/java/eu/kanade/tachiyomi/data/backup/models/DHistory.kt

@@ -1,3 +1,3 @@
 package eu.kanade.tachiyomi.data.backup.models
 
-data class DHistory(val url: String,val lastRead: Long)
+data class DHistory(val url: String, val lastRead: Long)

app/src/main/java/eu/kanade/tachiyomi/data/cache/CoverCache.kt

@@ -20,8 +20,8 @@ class CoverCache(private val context: Context) {
     /**
      * Cache directory used for cache management.
      */
-    private val cacheDir = context.getExternalFilesDir("covers") ?:
+    private val cacheDir = context.getExternalFilesDir("covers")
-            File(context.filesDir, "covers").also { it.mkdirs() }
+            ?: File(context.filesDir, "covers").also { it.mkdirs() }
 
     /**
      * Returns the cover from cache.

app/src/main/java/eu/kanade/tachiyomi/data/database/DatabaseHelper.kt

@@ -12,12 +12,12 @@ import io.requery.android.database.sqlite.RequerySQLiteOpenHelperFactory
  * This class provides operations to manage the database through its interfaces.
  */
 open class DatabaseHelper(context: Context)
-: MangaQueries, ChapterQueries, TrackQueries, CategoryQueries, MangaCategoryQueries, HistoryQueries {
+    : MangaQueries, ChapterQueries, TrackQueries, CategoryQueries, MangaCategoryQueries, HistoryQueries {
 
     private val configuration = SupportSQLiteOpenHelper.Configuration.builder(context)
-        .name(DbOpenCallback.DATABASE_NAME)
+            .name(DbOpenCallback.DATABASE_NAME)
-        .callback(DbOpenCallback())
+            .callback(DbOpenCallback())
-        .build()
+            .build()
 
     override val db = DefaultStorIOSQLite.builder()
             .sqliteOpenHelper(RequerySQLiteOpenHelperFactory().create(configuration))

app/src/main/java/eu/kanade/tachiyomi/data/database/models/History.kt

@@ -35,7 +35,7 @@ interface History : Serializable {
          * @param chapter chapter object
          * @return history object
          */
-        fun create(chapter: Chapter): History =  HistoryImpl().apply {
+        fun create(chapter: Chapter): History = HistoryImpl().apply {
             this.chapter_id = chapter.id!!
         }
     }

app/src/main/java/eu/kanade/tachiyomi/data/database/queries/ChapterQueries.kt

@@ -53,13 +53,13 @@ interface ChapterQueries : DbProvider {
             .prepare()
 
     fun getChapter(url: String, mangaId: Long) = db.get()
-        .`object`(Chapter::class.java)
+            .`object`(Chapter::class.java)
-        .withQuery(Query.builder()
+            .withQuery(Query.builder()
-            .table(ChapterTable.TABLE)
+                    .table(ChapterTable.TABLE)
-            .where("${ChapterTable.COL_URL} = ? AND ${ChapterTable.COL_MANGA_ID} = ?")
+                    .where("${ChapterTable.COL_URL} = ? AND ${ChapterTable.COL_MANGA_ID} = ?")
-            .whereArgs(url, mangaId)
+                    .whereArgs(url, mangaId)
-            .build())
+                    .build())
-        .prepare()
+            .prepare()
 
     fun insertChapter(chapter: Chapter) = db.put().`object`(chapter).prepare()
 

app/src/main/java/eu/kanade/tachiyomi/data/download/DownloadNotifier.kt

@@ -161,7 +161,8 @@ internal class DownloadNotifier(private val context: Context) {
     fun onError(error: String? = null, chapter: String? = null) {
         // Create notification
         with(notificationBuilder) {
-            setContentTitle(chapter ?: context.getString(R.string.download_notifier_downloader_title))
+            setContentTitle(chapter
+                    ?: context.getString(R.string.download_notifier_downloader_title))
             setContentText(error ?: context.getString(R.string.download_notifier_unkown_error))
             setSmallIcon(android.R.drawable.stat_sys_warning)
             clearActions()

app/src/main/java/eu/kanade/tachiyomi/data/download/DownloadService.kt

@@ -131,7 +131,8 @@ class DownloadService : Service() {
         subscriptions += ReactiveNetwork.observeNetworkConnectivity(applicationContext)
                 .subscribeOn(Schedulers.io())
                 .observeOn(AndroidSchedulers.mainThread())
-                .subscribe({ state -> onNetworkStateChanged(state)
+                .subscribe({ state ->
+                    onNetworkStateChanged(state)
                 }, {
                     toast(R.string.download_queue_error)
                     stopSelf()
@@ -156,7 +157,9 @@ class DownloadService : Service() {
             DISCONNECTED -> {
                 downloadManager.stopDownloads(getString(R.string.download_notifier_no_network))
             }
-            else -> { /* Do nothing */ }
+            else -> {
+                /* Do nothing */
+            }
         }
     }
 

app/src/main/java/eu/kanade/tachiyomi/data/download/Downloader.kt

@@ -82,7 +82,8 @@ class Downloader(
     /**
      * Whether the downloader is running.
      */
-    @Volatile private var isRunning: Boolean = false
+    @Volatile
+    private var isRunning: Boolean = false
 
     init {
         launchNow {
@@ -175,7 +176,8 @@ class Downloader(
                 .concatMap { downloadChapter(it).subscribeOn(Schedulers.io()) }
                 .onBackpressureBuffer()
                 .observeOn(AndroidSchedulers.mainThread())
-                .subscribe({ completeDownload(it)
+                .subscribe({
+                    completeDownload(it)
                 }, { error ->
                     DownloadService.stop(context)
                     Timber.e(error)
@@ -376,10 +378,10 @@ class Downloader(
     private fun getImageExtension(response: Response, file: UniFile): String {
         // Read content type if available.
         val mime = response.body?.contentType()?.let { ct -> "${ct.type}/${ct.subtype}" }
-            // Else guess from the uri.
+                // Else guess from the uri.
-            ?: context.contentResolver.getType(file.uri)
+                ?: context.contentResolver.getType(file.uri)
-            // Else read magic numbers.
+                // Else read magic numbers.
-            ?: ImageUtil.findImageType { file.openInputStream() }?.mime
+                ?: ImageUtil.findImageType { file.openInputStream() }?.mime
 
         return MimeTypeMap.getSingleton().getExtensionFromMimeType(mime) ?: "jpg"
     }

app/src/main/java/eu/kanade/tachiyomi/data/download/model/Download.kt

@@ -10,17 +10,24 @@ class Download(val source: HttpSource, val manga: Manga, val chapter: Chapter) {
 
     var pages: List<Page>? = null
 
-    @Volatile @Transient var totalProgress: Int = 0
+    @Volatile
+    @Transient
+    var totalProgress: Int = 0
 
-    @Volatile @Transient var downloadedImages: Int = 0
+    @Volatile
+    @Transient
+    var downloadedImages: Int = 0
 
-    @Volatile @Transient var status: Int = 0
+    @Volatile
+    @Transient
+    var status: Int = 0
         set(status) {
             field = status
             statusSubject?.onNext(this)
         }
 
-    @Transient private var statusSubject: PublishSubject<Download>? = null
+    @Transient
+    private var statusSubject: PublishSubject<Download>? = null
 
     fun setStatusSubject(subject: PublishSubject<Download>?) {
         statusSubject = subject
@@ -34,4 +41,4 @@ class Download(val source: HttpSource, val manga: Manga, val chapter: Chapter) {
         const val DOWNLOADED = 3
         const val ERROR = 4
     }
-}
+}

app/src/main/java/eu/kanade/tachiyomi/data/download/model/DownloadQueue.kt

@@ -12,7 +12,7 @@ import java.util.concurrent.CopyOnWriteArrayList
 class DownloadQueue(
         private val store: DownloadStore,
         private val queue: MutableList<Download> = CopyOnWriteArrayList<Download>())
-: List<Download> by queue {
+    : List<Download> by queue {
 
     private val statusSubject = PublishSubject.create<Download>()
 
@@ -42,7 +42,9 @@ class DownloadQueue(
     }
 
     fun remove(chapters: List<Chapter>) {
-        for (chapter in chapters) { remove(chapter) }
+        for (chapter in chapters) {
+            remove(chapter)
+        }
     }
 
     fun remove(manga: Manga) {
@@ -59,7 +61,7 @@ class DownloadQueue(
     }
 
     fun getActiveDownloads(): Observable<Download> =
-        Observable.from(this).filter { download -> download.status == Download.DOWNLOADING }
+            Observable.from(this).filter { download -> download.status == Download.DOWNLOADING }
 
     fun getStatusObservable(): Observable<Download> = statusSubject.onBackpressureBuffer()
 

app/src/main/java/eu/kanade/tachiyomi/data/glide/LibraryMangaUrlFetcher.kt

@@ -19,7 +19,7 @@ import java.io.InputStream
 class LibraryMangaUrlFetcher(private val networkFetcher: DataFetcher<InputStream>,
                              private val manga: Manga,
                              private val file: File)
-: FileFetcher(file) {
+    : FileFetcher(file) {
 
     override fun loadData(priority: Priority, callback: DataFetcher.DataCallback<in InputStream>) {
         if (!file.exists()) {
@@ -69,4 +69,4 @@ class LibraryMangaUrlFetcher(private val networkFetcher: DataFetcher<InputStream
         networkFetcher.cancel()
     }
 
-}
+}

app/src/main/java/eu/kanade/tachiyomi/data/glide/TachiGlideModule.kt

@@ -38,6 +38,6 @@ class TachiGlideModule : AppGlideModule() {
         registry.replace(GlideUrl::class.java, InputStream::class.java, networkFactory)
         registry.append(Manga::class.java, InputStream::class.java, MangaModelLoader.Factory())
         registry.append(InputStream::class.java, InputStream::class.java, PassthroughModelLoader
-            .Factory())
+                .Factory())
     }
 }

app/src/main/java/eu/kanade/tachiyomi/data/library/LibraryUpdateRanker.kt

@@ -35,9 +35,9 @@ object LibraryUpdateRanker {
      */
     fun lexicographicRanking(): Comparator<Manga> {
         return Comparator { mangaFirst: Manga,
-                                   mangaSecond: Manga ->
+                            mangaSecond: Manga ->
             compareValues(mangaFirst.title, mangaSecond.title)
         }
     }
 
-}
+}

app/src/main/java/eu/kanade/tachiyomi/data/library/LibraryUpdateService.kt

@@ -312,7 +312,7 @@ class LibraryUpdateService(
                             .filter { pair -> pair.first.isNotEmpty() }
                             .doOnNext {
                                 if (downloadNew && (categoriesToDownload.isEmpty() ||
-                                        manga.category in categoriesToDownload)) {
+                                                manga.category in categoriesToDownload)) {
 
                                     downloadChapters(manga, it.first)
                                     hasDownloads = true
@@ -321,8 +321,8 @@ class LibraryUpdateService(
                             // Convert to the manga that contains new chapters.
                             .map {
                                 Pair(
-                                    manga,
+                                        manga,
-                                    (it.first.sortedByDescending { ch -> ch.source_order }.toTypedArray())
+                                        (it.first.sortedByDescending { ch -> ch.source_order }.toTypedArray())
                                 )
                             }
                 }
@@ -573,7 +573,7 @@ class LibraryUpdateService(
 
         var description = resources.getQuantityString(R.plurals.notification_chapters, chapters.size, chaptersDescription)
         if (shouldTruncate) {
-           description += " ${resources.getString(R.string.notification_and_n_more, (chapterNumbers.size - (NOTIF_MAX_CHAPTERS - 1)))}"
+            description += " ${resources.getString(R.string.notification_and_n_more, (chapterNumbers.size - (NOTIF_MAX_CHAPTERS - 1)))}"
         }
 
         return description

app/src/main/java/eu/kanade/tachiyomi/data/notification/NotificationReceiver.kt

@@ -393,11 +393,11 @@ class NotificationReceiver : BroadcastReceiver() {
          */
         internal fun openChapterPendingActivity(context: Context, manga: Manga, groupId: Int): PendingIntent {
             val newIntent =
-                Intent(context, MainActivity::class.java).setAction(MainActivity.SHORTCUT_MANGA)
+                    Intent(context, MainActivity::class.java).setAction(MainActivity.SHORTCUT_MANGA)
-                    .addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP)
+                            .addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP)
-                    .putExtra(MangaController.MANGA_EXTRA, manga.id)
+                            .putExtra(MangaController.MANGA_EXTRA, manga.id)
-                    .putExtra("notificationId", manga.id.hashCode())
+                            .putExtra("notificationId", manga.id.hashCode())
-                    .putExtra("groupId", groupId)
+                            .putExtra("groupId", groupId)
             return PendingIntent.getActivity(context, manga.id.hashCode(), newIntent, PendingIntent.FLAG_UPDATE_CURRENT)
         }
 
@@ -408,8 +408,8 @@ class NotificationReceiver : BroadcastReceiver() {
          * @param manga manga of chapter
          */
         internal fun markAsReadPendingBroadcast(context: Context, manga: Manga, chapters:
-            Array<Chapter>, groupId: Int):
+        Array<Chapter>, groupId: Int):
-            PendingIntent {
+                PendingIntent {
             val newIntent = Intent(context, NotificationReceiver::class.java).apply {
                 action = ACTION_MARK_AS_READ
                 putExtra(EXTRA_CHAPTER_URL, chapters.map { it.url }.toTypedArray())

app/src/main/java/eu/kanade/tachiyomi/data/track/anilist/Anilist.kt

@@ -137,7 +137,7 @@ class Anilist(private val context: Context, id: Int) : TrackService(id) {
             track.status = COMPLETED
         }
         // If user was using API v1 fetch library_id
-        if (track.library_id == null || track.library_id!! == 0L){
+        if (track.library_id == null || track.library_id!! == 0L) {
             return api.findLibManga(track, getUsername().toInt()).flatMap {
                 if (it == null) {
                     throw Exception("$track not found on user library")
@@ -187,7 +187,7 @@ class Anilist(private val context: Context, id: Int) : TrackService(id) {
         return api.getCurrentUser().map { (username, scoreType) ->
             scorePreference.set(scoreType)
             saveCredentials(username.toString(), oauth.access_token)
-         }.doOnError{
+        }.doOnError {
             logout()
         }.toCompletable()
     }

app/src/main/java/eu/kanade/tachiyomi/data/track/anilist/AnilistApi.kt

@@ -250,7 +250,8 @@ class AnilistApi(val client: OkHttpClient, interceptor: AnilistInterceptor) {
     private fun jsonToALManga(struct: JsonObject): ALManga {
         val date = try {
             val date = Calendar.getInstance()
-            date.set(struct["startDate"]["year"].nullInt ?: 0, (struct["startDate"]["month"].nullInt ?: 0) - 1,
+            date.set(struct["startDate"]["year"].nullInt ?: 0, (struct["startDate"]["month"].nullInt
+                    ?: 0) - 1,
                     struct["startDate"]["day"].nullInt ?: 0)
             date.timeInMillis
         } catch (_: Exception) {

app/src/main/java/eu/kanade/tachiyomi/data/track/anilist/AnilistInterceptor.kt

@@ -23,7 +23,7 @@ class AnilistInterceptor(val anilist: Anilist, private var token: String?) : Int
         if (token.isNullOrEmpty()) {
             throw Exception("Not authenticated with Anilist")
         }
-        if (oauth == null){
+        if (oauth == null) {
             oauth = anilist.loadOAuth()
         }
         // Refresh access token if null or expired.
@@ -55,4 +55,4 @@ class AnilistInterceptor(val anilist: Anilist, private var token: String?) : Int
         anilist.saveOAuth(oauth)
     }
 
-}
+}

app/src/main/java/eu/kanade/tachiyomi/data/track/myanimelist/MyAnimeListApi.kt

@@ -86,7 +86,7 @@ class MyAnimeListApi(private val client: OkHttpClient, interceptor: MyAnimeListI
     fun findLibManga(track: Track): Observable<Track?> {
         return authClient.newCall(GET(url = listEntryUrl(track.media_id)))
                 .asObservable()
-                .map {response ->
+                .map { response ->
                     var libTrack: Track? = null
                     response.use {
                         if (it.priorResponse?.isRedirect != true) {
@@ -96,7 +96,8 @@ class MyAnimeListApi(private val client: OkHttpClient, interceptor: MyAnimeListI
                                 last_chapter_read = trackForm.select("#add_manga_num_read_chapters").`val`().toInt()
                                 total_chapters = trackForm.select("#totalChap").text().toInt()
                                 status = trackForm.select("#add_manga_status > option[selected]").`val`().toInt()
-                                score = trackForm.select("#add_manga_score > option[selected]").`val`().toFloatOrNull() ?: 0f
+                                score = trackForm.select("#add_manga_score > option[selected]").`val`().toFloatOrNull()
+                                        ?: 0f
                             }
                         }
                     }
@@ -158,7 +159,7 @@ class MyAnimeListApi(private val client: OkHttpClient, interceptor: MyAnimeListI
     private fun getListUrl(): Observable<String> {
         return authClient.newCall(POST(url = exportListUrl(), body = exportPostBody()))
                 .asObservable()
-                .map {response ->
+                .map { response ->
                     baseUrl + Jsoup.parse(response.consumeBody())
                             .select("div.goodresult")
                             .select("a")
@@ -233,7 +234,7 @@ class MyAnimeListApi(private val client: OkHttpClient, interceptor: MyAnimeListI
                 .toString()
 
         private fun addUrl() = Uri.parse(baseModifyListUrl).buildUpon()
-                .appendPath( "add.json")
+                .appendPath("add.json")
                 .toString()
 
         private fun listEntryUrl(mediaId: Int) = Uri.parse(baseModifyListUrl).buildUpon()
@@ -300,6 +301,6 @@ class MyAnimeListApi(private val client: OkHttpClient, interceptor: MyAnimeListI
             "Dropped" -> 4
             "Plan to Read" -> 6
             else -> 1
-            }
+        }
     }
 }

app/src/main/java/eu/kanade/tachiyomi/data/track/myanimelist/MyAnimeListInterceptor.kt

@@ -8,7 +8,7 @@ import okhttp3.Response
 import okio.Buffer
 import org.json.JSONObject
 
-class MyAnimeListInterceptor(private val myanimelist: Myanimelist): Interceptor {
+class MyAnimeListInterceptor(private val myanimelist: Myanimelist) : Interceptor {
 
     override fun intercept(chain: Interceptor.Chain): Response {
         myanimelist.ensureLoggedIn()

app/src/main/java/eu/kanade/tachiyomi/data/updater/UpdateResult.kt

@@ -2,7 +2,7 @@ package eu.kanade.tachiyomi.data.updater
 
 abstract class UpdateResult {
 
-    open class NewUpdate<T : Release>(val release: T): UpdateResult()
+    open class NewUpdate<T : Release>(val release: T) : UpdateResult()
-    open class NoNewUpdate: UpdateResult()
+    open class NoNewUpdate : UpdateResult()
 
 }

app/src/main/java/eu/kanade/tachiyomi/data/updater/devrepo/DevRepoUpdateResult.kt

@@ -4,7 +4,7 @@ import eu.kanade.tachiyomi.data.updater.UpdateResult
 
 sealed class DevRepoUpdateResult : UpdateResult() {
 
-    class NewUpdate(release: DevRepoRelease): UpdateResult.NewUpdate<DevRepoRelease>(release)
+    class NewUpdate(release: DevRepoRelease) : UpdateResult.NewUpdate<DevRepoRelease>(release)
-    class NoNewUpdate: UpdateResult.NoNewUpdate()
+    class NoNewUpdate : UpdateResult.NoNewUpdate()
 
 }

app/src/main/java/eu/kanade/tachiyomi/data/updater/github/GithubRelease.kt

@@ -13,7 +13,7 @@ import eu.kanade.tachiyomi.data.updater.Release
  */
 class GithubRelease(@SerializedName("tag_name") val version: String,
                     @SerializedName("body") override val info: String,
-                    @SerializedName("assets") private val assets: List<Assets>): Release {
+                    @SerializedName("assets") private val assets: List<Assets>) : Release {
 
     /**
      * Get download link of latest release from the assets.

app/src/main/java/eu/kanade/tachiyomi/data/updater/github/GithubUpdateResult.kt

@@ -4,7 +4,7 @@ import eu.kanade.tachiyomi.data.updater.UpdateResult
 
 sealed class GithubUpdateResult : UpdateResult() {
 
-    class NewUpdate(release: GithubRelease): UpdateResult.NewUpdate<GithubRelease>(release)
+    class NewUpdate(release: GithubRelease) : UpdateResult.NewUpdate<GithubRelease>(release)
     class NoNewUpdate : UpdateResult.NoNewUpdate()
 
 }

app/src/main/java/eu/kanade/tachiyomi/extension/ExtensionManager.kt

@@ -206,7 +206,7 @@ class ExtensionManager(
      *
      * @param extension The extension to be updated.
      */
-    fun updateExtension(extension: Extension.Installed): Observable<InstallStep>  {
+    fun updateExtension(extension: Extension.Installed): Observable<InstallStep> {
         val availableExt = availableExtensions.find { it.pkgName == extension.pkgName }
                 ?: return Observable.empty()
         return installExtension(availableExt)

app/src/main/java/eu/kanade/tachiyomi/extension/api/ExtensionGithubApi.kt

@@ -25,7 +25,7 @@ internal class ExtensionGithubApi {
         val call = GET("$REPO_URL/index.json")
 
         return withContext(Dispatchers.IO) {
-             parseResponse(network.client.newCall(call).await())
+            parseResponse(network.client.newCall(call).await())
         }
     }
 

app/src/main/java/eu/kanade/tachiyomi/extension/util/ExtensionInstallReceiver.kt

@@ -31,12 +31,13 @@ internal class ExtensionInstallReceiver(private val listener: Listener) :
     /**
      * Returns the intent filter this receiver should subscribe to.
      */
-    private val filter get() = IntentFilter().apply {
+    private val filter
-        addAction(Intent.ACTION_PACKAGE_ADDED)
+        get() = IntentFilter().apply {
-        addAction(Intent.ACTION_PACKAGE_REPLACED)
+            addAction(Intent.ACTION_PACKAGE_ADDED)
-        addAction(Intent.ACTION_PACKAGE_REMOVED)
+            addAction(Intent.ACTION_PACKAGE_REPLACED)
-        addDataScheme("package")
+            addAction(Intent.ACTION_PACKAGE_REMOVED)
-    }
+            addDataScheme("package")
+        }
 
     /**
      * Called when one of the events of the [filter] is received. When the package is an extension,
@@ -61,7 +62,8 @@ internal class ExtensionInstallReceiver(private val listener: Listener) :
                     when (result) {
                         is LoadResult.Success -> listener.onExtensionUpdated(result.extension)
                         // Not needed as a package can't be upgraded if the signature is different
-                        is LoadResult.Untrusted -> {}
+                        is LoadResult.Untrusted -> {
+                        }
                     }
                 }
             }
@@ -92,8 +94,8 @@ internal class ExtensionInstallReceiver(private val listener: Listener) :
      * @param intent The intent containing the package name of the extension.
      */
     private suspend fun getExtensionFromIntent(context: Context, intent: Intent?): LoadResult {
-        val pkgName = getPackageNameFromIntent(intent) ?:
+        val pkgName = getPackageNameFromIntent(intent)
-                return LoadResult.Error("Package name not found")
+                ?: return LoadResult.Error("Package name not found")
         return GlobalScope.async(Dispatchers.Default, CoroutineStart.DEFAULT) { ExtensionLoader.loadExtensionFromPkgName(context, pkgName) }.await()
     }
 

app/src/main/java/eu/kanade/tachiyomi/extension/util/ExtensionLoader.kt

@@ -95,8 +95,8 @@ internal object ExtensionLoader {
             return LoadResult.Error(error)
         }
 
-        val extName = pkgManager.getApplicationLabel(appInfo)?.toString()
+        val extName = pkgManager.getApplicationLabel(appInfo).toString()
-            .orEmpty().substringAfter("Tachiyomi: ")
+                .orEmpty().substringAfter("Tachiyomi: ")
         val versionName = pkgInfo.versionName
         val versionCode = pkgInfo.versionCode
 

app/src/main/java/eu/kanade/tachiyomi/network/AndroidCookieJar.kt

@@ -44,9 +44,9 @@ class AndroidCookieJar : CookieJar {
         }
 
         cookies.split(";")
-            .map { it.substringBefore("=") }
+                .map { it.substringBefore("=") }
-            .filterNames()
+                .filterNames()
-            .onEach { manager.setCookie(urlString, "$it=;Max-Age=$maxAge") }
+                .onEach { manager.setCookie(urlString, "$it=;Max-Age=$maxAge") }
     }
 
     fun removeAll() {

app/src/main/java/eu/kanade/tachiyomi/network/CloudflareInterceptor.kt

@@ -2,7 +2,6 @@ package eu.kanade.tachiyomi.network
 
 import android.annotation.SuppressLint
 import android.content.Context
-import android.os.Build
 import android.os.Handler
 import android.os.Looper
 import android.webkit.WebResourceRequest
@@ -104,7 +103,7 @@ class CloudflareInterceptor(private val context: Context) : Interceptor {
 
                     // HTTP error codes are only received since M
                     if (WebViewFeature.isFeatureSupported(WebViewFeature.RECEIVE_WEB_RESOURCE_ERROR) &&
-                        url == origRequestUrl && !challengeFound
+                            url == origRequestUrl && !challengeFound
                     ) {
                         // The first request didn't return the challenge, abort.
                         latch.countDown()

app/src/main/java/eu/kanade/tachiyomi/source/LocalSource.kt

@@ -129,17 +129,17 @@ class LocalSource(private val context: Context) : CatalogueSource {
                 .filter { it.extension.equals("json") }
                 .firstOrNull()
                 ?.apply {
-            val json = Gson().fromJson(Scanner(this).useDelimiter("\\Z").next(), JsonObject::class.java)
+                    val json = Gson().fromJson(Scanner(this).useDelimiter("\\Z").next(), JsonObject::class.java)
-            manga.title = json["title"]?.asString ?: manga.title
+                    manga.title = json["title"]?.asString ?: manga.title
-            manga.author = json["author"]?.asString ?: manga.author
+                    manga.author = json["author"]?.asString ?: manga.author
-            manga.artist = json["artist"]?.asString ?: manga.artist
+                    manga.artist = json["artist"]?.asString ?: manga.artist
-            manga.description = json["description"]?.asString ?: manga.description
+                    manga.description = json["description"]?.asString ?: manga.description
-            manga.genre = json["genre"]?.asJsonArray
+                    manga.genre = json["genre"]?.asJsonArray
-                    ?.map { it.asString }
+                            ?.map { it.asString }
-                    ?.joinToString(", ")
+                            ?.joinToString(", ")
-                    ?: manga.genre
+                            ?: manga.genre
-            manga.status = json["status"]?.asInt ?: manga.status
+                    manga.status = json["status"]?.asInt ?: manga.status
-        }
+                }
         return Observable.just(manga)
     }
 
@@ -210,34 +210,34 @@ class LocalSource(private val context: Context) : CatalogueSource {
         return when (format) {
             is Format.Directory -> {
                 val entry = format.file.listFiles()
-                    .sortedWith(Comparator<File> { f1, f2 -> f1.name.compareToCaseInsensitiveNaturalOrder(f2.name) })
+                        .sortedWith(Comparator<File> { f1, f2 -> f1.name.compareToCaseInsensitiveNaturalOrder(f2.name) })
-                    .find { !it.isDirectory && ImageUtil.isImage(it.name) { FileInputStream(it) } }
+                        .find { !it.isDirectory && ImageUtil.isImage(it.name) { FileInputStream(it) } }
 
-                entry?.let { updateCover(context, manga, it.inputStream())}
+                entry?.let { updateCover(context, manga, it.inputStream()) }
             }
             is Format.Zip -> {
                 ZipFile(format.file).use { zip ->
                     val entry = zip.entries().toList()
-                        .sortedWith(Comparator<ZipEntry> { f1, f2 -> f1.name.compareToCaseInsensitiveNaturalOrder(f2.name) })
+                            .sortedWith(Comparator<ZipEntry> { f1, f2 -> f1.name.compareToCaseInsensitiveNaturalOrder(f2.name) })
-                        .find { !it.isDirectory && ImageUtil.isImage(it.name) { zip.getInputStream(it) } }
+                            .find { !it.isDirectory && ImageUtil.isImage(it.name) { zip.getInputStream(it) } }
 
-                    entry?.let { updateCover(context, manga, zip.getInputStream(it) )}
+                    entry?.let { updateCover(context, manga, zip.getInputStream(it)) }
                 }
             }
             is Format.Rar -> {
                 Archive(format.file).use { archive ->
                     val entry = archive.fileHeaders
-                        .sortedWith(Comparator<FileHeader> { f1, f2 -> f1.fileNameString.compareToCaseInsensitiveNaturalOrder(f2.fileNameString) })
+                            .sortedWith(Comparator<FileHeader> { f1, f2 -> f1.fileNameString.compareToCaseInsensitiveNaturalOrder(f2.fileNameString) })
-                        .find { !it.isDirectory && ImageUtil.isImage(it.fileNameString) { archive.getInputStream(it) } }
+                            .find { !it.isDirectory && ImageUtil.isImage(it.fileNameString) { archive.getInputStream(it) } }
 
-                    entry?.let { updateCover(context, manga, archive.getInputStream(it) )}
+                    entry?.let { updateCover(context, manga, archive.getInputStream(it)) }
                 }
             }
             is Format.Epub -> {
                 EpubFile(format.file).use { epub ->
                     val entry = epub.getImagesFromPages()
-                        .firstOrNull()
+                            .firstOrNull()
-                        ?.let { epub.getEntry(it) }
+                            ?.let { epub.getEntry(it) }
 
                     entry?.let { updateCover(context, manga, epub.getInputStream(it)) }
                 }
@@ -252,7 +252,7 @@ class LocalSource(private val context: Context) : CatalogueSource {
     sealed class Format {
         data class Directory(val file: File) : Format()
         data class Zip(val file: File) : Format()
-        data class Rar(val file: File): Format()
+        data class Rar(val file: File) : Format()
         data class Epub(val file: File) : Format()
     }
 

app/src/main/java/eu/kanade/tachiyomi/source/model/Filter.kt

@@ -17,7 +17,8 @@ sealed class Filter<T>(val name: String, var state: T) {
             const val STATE_EXCLUDE = 2
         }
     }
-    abstract class Group<V>(name: String, state: List<V>): Filter<List<V>>(name, state)
+
+    abstract class Group<V>(name: String, state: List<V>) : Filter<List<V>>(name, state)
 
     abstract class Sort(name: String, val values: Array<String>, state: Selection? = null)
         : Filter<Sort.Selection?>(name, state) {
@@ -37,4 +38,4 @@ sealed class Filter<T>(val name: String, var state: T) {
         return result
     }
 
-}
+}

app/src/main/java/eu/kanade/tachiyomi/source/model/Page.kt

@@ -14,15 +14,20 @@ open class Page(
     val number: Int
         get() = index + 1
 
-    @Transient @Volatile var status: Int = 0
+    @Transient
+    @Volatile
+    var status: Int = 0
         set(value) {
             field = value
             statusSubject?.onNext(value)
         }
 
-    @Transient @Volatile var progress: Int = 0
+    @Transient
+    @Volatile
+    var progress: Int = 0
 
-    @Transient private var statusSubject: Subject<Int, Int>? = null
+    @Transient
+    private var statusSubject: Subject<Int, Int>? = null
 
     override fun update(bytesRead: Long, contentLength: Long, done: Boolean) {
         progress = if (contentLength > 0) {

app/src/main/java/eu/kanade/tachiyomi/source/model/SChapterImpl.kt

@@ -10,6 +10,6 @@ class SChapterImpl : SChapter {
 
     override var chapter_number: Float = -1f
 
-    override  var scanlator: String? = null
+    override var scanlator: String? = null
 
-}
+}

app/src/main/java/eu/kanade/tachiyomi/source/online/HttpSource.kt

@@ -69,7 +69,7 @@ abstract class HttpSource : CatalogueSource {
     /**
      * Headers builder for requests. Implementations can override this method for custom headers.
      */
-    open protected fun headersBuilder() = Headers.Builder().apply {
+    protected open fun headersBuilder() = Headers.Builder().apply {
         add("User-Agent", "Mozilla/5.0 (Windows NT 6.3; WOW64)")
     }
 
@@ -97,14 +97,14 @@ abstract class HttpSource : CatalogueSource {
      *
      * @param page the page number to retrieve.
      */
-    abstract protected fun popularMangaRequest(page: Int): Request
+    protected abstract fun popularMangaRequest(page: Int): Request
 
     /**
      * Parses the response from the site and returns a [MangasPage] object.
      *
      * @param response the response from the site.
      */
-    abstract protected fun popularMangaParse(response: Response): MangasPage
+    protected abstract fun popularMangaParse(response: Response): MangasPage
 
     /**
      * Returns an observable containing a page with a list of manga. Normally it's not needed to
@@ -129,14 +129,14 @@ abstract class HttpSource : CatalogueSource {
      * @param query the search query.
      * @param filters the list of filters to apply.
      */
-    abstract protected fun searchMangaRequest(page: Int, query: String, filters: FilterList): Request
+    protected abstract fun searchMangaRequest(page: Int, query: String, filters: FilterList): Request
 
     /**
      * Parses the response from the site and returns a [MangasPage] object.
      *
      * @param response the response from the site.
      */
-    abstract protected fun searchMangaParse(response: Response): MangasPage
+    protected abstract fun searchMangaParse(response: Response): MangasPage
 
     /**
      * Returns an observable containing a page with a list of latest manga updates.
@@ -156,14 +156,14 @@ abstract class HttpSource : CatalogueSource {
      *
      * @param page the page number to retrieve.
      */
-    abstract protected fun latestUpdatesRequest(page: Int): Request
+    protected abstract fun latestUpdatesRequest(page: Int): Request
 
     /**
      * Parses the response from the site and returns a [MangasPage] object.
      *
      * @param response the response from the site.
      */
-    abstract protected fun latestUpdatesParse(response: Response): MangasPage
+    protected abstract fun latestUpdatesParse(response: Response): MangasPage
 
     /**
      * Returns an observable with the updated details for a manga. Normally it's not needed to
@@ -194,7 +194,7 @@ abstract class HttpSource : CatalogueSource {
      *
      * @param response the response from the site.
      */
-    abstract protected fun mangaDetailsParse(response: Response): SManga
+    protected abstract fun mangaDetailsParse(response: Response): SManga
 
     /**
      * Returns an observable with the updated chapter list for a manga. Normally it's not needed to
@@ -220,7 +220,7 @@ abstract class HttpSource : CatalogueSource {
      *
      * @param manga the manga to look for chapters.
      */
-    open protected fun chapterListRequest(manga: SManga): Request {
+    protected open fun chapterListRequest(manga: SManga): Request {
         return GET(baseUrl + manga.url, headers)
     }
 
@@ -229,7 +229,7 @@ abstract class HttpSource : CatalogueSource {
      *
      * @param response the response from the site.
      */
-    abstract protected fun chapterListParse(response: Response): List<SChapter>
+    protected abstract fun chapterListParse(response: Response): List<SChapter>
 
     /**
      * Returns an observable with the page list for a chapter.
@@ -250,7 +250,7 @@ abstract class HttpSource : CatalogueSource {
      *
      * @param chapter the chapter whose page list has to be fetched.
      */
-    open protected fun pageListRequest(chapter: SChapter): Request {
+    protected open fun pageListRequest(chapter: SChapter): Request {
         return GET(baseUrl + chapter.url, headers)
     }
 
@@ -259,7 +259,7 @@ abstract class HttpSource : CatalogueSource {
      *
      * @param response the response from the site.
      */
-    abstract protected fun pageListParse(response: Response): List<Page>
+    protected abstract fun pageListParse(response: Response): List<Page>
 
     /**
      * Returns an observable with the page containing the source url of the image. If there's any
@@ -279,7 +279,7 @@ abstract class HttpSource : CatalogueSource {
      *
      * @param page the chapter whose page list has to be fetched
      */
-    open protected fun imageUrlRequest(page: Page): Request {
+    protected open fun imageUrlRequest(page: Page): Request {
         return GET(page.url, headers)
     }
 
@@ -288,7 +288,7 @@ abstract class HttpSource : CatalogueSource {
      *
      * @param response the response from the site.
      */
-    abstract protected fun imageUrlParse(response: Response): String
+    protected abstract fun imageUrlParse(response: Response): String
 
     /**
      * Returns an observable with the response of the source image.
@@ -306,7 +306,7 @@ abstract class HttpSource : CatalogueSource {
      *
      * @param page the chapter whose page list has to be fetched
      */
-    open protected fun imageRequest(page: Page): Request {
+    protected open fun imageRequest(page: Page): Request {
         return GET(page.imageUrl!!, headers)
     }
 

app/src/main/java/eu/kanade/tachiyomi/source/online/HttpSourceFetcher.kt

@@ -6,10 +6,10 @@ import rx.Observable
 fun HttpSource.getImageUrl(page: Page): Observable<Page> {
     page.status = Page.LOAD_PAGE
     return fetchImageUrl(page)
-        .doOnError { page.status = Page.ERROR }
+            .doOnError { page.status = Page.ERROR }
-        .onErrorReturn { null }
+            .onErrorReturn { null }
-        .doOnNext { page.imageUrl = it }
+            .doOnNext { page.imageUrl = it }
-        .map { page }
+            .map { page }
 }
 
 fun HttpSource.fetchAllImageUrlsFromPageList(pages: List<Page>): Observable<Page> {

app/src/main/java/eu/kanade/tachiyomi/source/online/ParsedHttpSource.kt

@@ -36,7 +36,7 @@ abstract class ParsedHttpSource : HttpSource() {
     /**
      * Returns the Jsoup selector that returns a list of [Element] corresponding to each manga.
      */
-    abstract protected fun popularMangaSelector(): String
+    protected abstract fun popularMangaSelector(): String
 
     /**
      * Returns a manga from the given [element]. Most sites only show the title and the url, it's
@@ -44,13 +44,13 @@ abstract class ParsedHttpSource : HttpSource() {
      *
      * @param element an element obtained from [popularMangaSelector].
      */
-    abstract protected fun popularMangaFromElement(element: Element): SManga
+    protected abstract fun popularMangaFromElement(element: Element): SManga
 
     /**
      * Returns the Jsoup selector that returns the <a> tag linking to the next page, or null if
      * there's no next page.
      */
-    abstract protected fun popularMangaNextPageSelector(): String?
+    protected abstract fun popularMangaNextPageSelector(): String?
 
     /**
      * Parses the response from the site and returns a [MangasPage] object.
@@ -74,7 +74,7 @@ abstract class ParsedHttpSource : HttpSource() {
     /**
      * Returns the Jsoup selector that returns a list of [Element] corresponding to each manga.
      */
-    abstract protected fun searchMangaSelector(): String
+    protected abstract fun searchMangaSelector(): String
 
     /**
      * Returns a manga from the given [element]. Most sites only show the title and the url, it's
@@ -82,13 +82,13 @@ abstract class ParsedHttpSource : HttpSource() {
      *
      * @param element an element obtained from [searchMangaSelector].
      */
-    abstract protected fun searchMangaFromElement(element: Element): SManga
+    protected abstract fun searchMangaFromElement(element: Element): SManga
 
     /**
      * Returns the Jsoup selector that returns the <a> tag linking to the next page, or null if
      * there's no next page.
      */
-    abstract protected fun searchMangaNextPageSelector(): String?
+    protected abstract fun searchMangaNextPageSelector(): String?
 
     /**
      * Parses the response from the site and returns a [MangasPage] object.
@@ -112,7 +112,7 @@ abstract class ParsedHttpSource : HttpSource() {
     /**
      * Returns the Jsoup selector that returns a list of [Element] corresponding to each manga.
      */
-    abstract protected fun latestUpdatesSelector(): String
+    protected abstract fun latestUpdatesSelector(): String
 
     /**
      * Returns a manga from the given [element]. Most sites only show the title and the url, it's
@@ -120,13 +120,13 @@ abstract class ParsedHttpSource : HttpSource() {
      *
      * @param element an element obtained from [latestUpdatesSelector].
      */
-    abstract protected fun latestUpdatesFromElement(element: Element): SManga
+    protected abstract fun latestUpdatesFromElement(element: Element): SManga
 
     /**
      * Returns the Jsoup selector that returns the <a> tag linking to the next page, or null if
      * there's no next page.
      */
-    abstract protected fun latestUpdatesNextPageSelector(): String?
+    protected abstract fun latestUpdatesNextPageSelector(): String?
 
     /**
      * Parses the response from the site and returns the details of a manga.
@@ -142,7 +142,7 @@ abstract class ParsedHttpSource : HttpSource() {
      *
      * @param document the parsed document.
      */
-    abstract protected fun mangaDetailsParse(document: Document): SManga
+    protected abstract fun mangaDetailsParse(document: Document): SManga
 
     /**
      * Parses the response from the site and returns a list of chapters.
@@ -157,14 +157,14 @@ abstract class ParsedHttpSource : HttpSource() {
     /**
      * Returns the Jsoup selector that returns a list of [Element] corresponding to each chapter.
      */
-    abstract protected fun chapterListSelector(): String
+    protected abstract fun chapterListSelector(): String
 
     /**
      * Returns a chapter from the given element.
      *
      * @param element an element obtained from [chapterListSelector].
      */
-    abstract protected fun chapterFromElement(element: Element): SChapter
+    protected abstract fun chapterFromElement(element: Element): SChapter
 
     /**
      * Parses the response from the site and returns the page list.
@@ -180,7 +180,7 @@ abstract class ParsedHttpSource : HttpSource() {
      *
      * @param document the parsed document.
      */
-    abstract protected fun pageListParse(document: Document): List<Page>
+    protected abstract fun pageListParse(document: Document): List<Page>
 
     /**
      * Parse the response from the site and returns the absolute url to the source image.
@@ -196,5 +196,5 @@ abstract class ParsedHttpSource : HttpSource() {
      *
      * @param document the parsed document.
      */
-    abstract protected fun imageUrlParse(document: Document): String
+    protected abstract fun imageUrlParse(document: Document): String
 }

app/src/main/java/eu/kanade/tachiyomi/ui/base/controller/BaseController.kt

@@ -55,7 +55,7 @@ abstract class BaseController(bundle: Bundle? = null) : RestoreViewOnCreateContr
 
     abstract fun inflateView(inflater: LayoutInflater, container: ViewGroup): View
 
-    open fun onViewCreated(view: View) { }
+    open fun onViewCreated(view: View) {}
 
     override fun onChangeStarted(handler: ControllerChangeHandler, type: ControllerChangeType) {
         if (type.isEnter) {
@@ -90,6 +90,7 @@ abstract class BaseController(bundle: Bundle? = null) : RestoreViewOnCreateContr
      * Issue link: https://issuetracker.google.com/issues/37657375
      */
     var expandActionViewFromInteraction = false
+
     fun MenuItem.fixExpand(onExpand: ((MenuItem) -> Boolean)? = null, onCollapse: ((MenuItem) -> Boolean)? = null) {
         setOnActionExpandListener(object : MenuItem.OnActionExpandListener {
             override fun onMenuItemActionExpand(item: MenuItem): Boolean {

app/src/main/java/eu/kanade/tachiyomi/ui/base/presenter/BasePresenter.kt

@@ -23,8 +23,7 @@ open class BasePresenter<V> : RxPresenter<V>() {
      * @param onNext function to execute when the observable emits an item.
      * @param onError function to execute when the observable throws an error.
      */
-    fun <T> Observable<T>.subscribeFirst(onNext: (V, T) -> Unit, onError: ((V, Throwable) -> Unit)? = null)
+    fun <T> Observable<T>.subscribeFirst(onNext: (V, T) -> Unit, onError: ((V, Throwable) -> Unit)? = null) = compose(deliverFirst<T>()).subscribe(split(onNext, onError)).apply { add(this) }
-            = compose(deliverFirst<T>()).subscribe(split(onNext, onError)).apply { add(this) }
 
     /**
      * Subscribes an observable with [deliverLatestCache] and adds it to the presenter's lifecycle
@@ -33,8 +32,7 @@ open class BasePresenter<V> : RxPresenter<V>() {
      * @param onNext function to execute when the observable emits an item.
      * @param onError function to execute when the observable throws an error.
      */
-    fun <T> Observable<T>.subscribeLatestCache(onNext: (V, T) -> Unit, onError: ((V, Throwable) -> Unit)? = null)
+    fun <T> Observable<T>.subscribeLatestCache(onNext: (V, T) -> Unit, onError: ((V, Throwable) -> Unit)? = null) = compose(deliverLatestCache<T>()).subscribe(split(onNext, onError)).apply { add(this) }
-            = compose(deliverLatestCache<T>()).subscribe(split(onNext, onError)).apply { add(this) }
 
     /**
      * Subscribes an observable with [deliverReplay] and adds it to the presenter's lifecycle
@@ -43,8 +41,7 @@ open class BasePresenter<V> : RxPresenter<V>() {
      * @param onNext function to execute when the observable emits an item.
      * @param onError function to execute when the observable throws an error.
      */
-    fun <T> Observable<T>.subscribeReplay(onNext: (V, T) -> Unit, onError: ((V, Throwable) -> Unit)? = null)
+    fun <T> Observable<T>.subscribeReplay(onNext: (V, T) -> Unit, onError: ((V, Throwable) -> Unit)? = null) = compose(deliverReplay<T>()).subscribe(split(onNext, onError)).apply { add(this) }
-            = compose(deliverReplay<T>()).subscribe(split(onNext, onError)).apply { add(this) }
 
     /**
      * Subscribes an observable with [DeliverWithView] and adds it to the presenter's lifecycle
@@ -53,8 +50,7 @@ open class BasePresenter<V> : RxPresenter<V>() {
      * @param onNext function to execute when the observable emits an item.
      * @param onError function to execute when the observable throws an error.
      */
-    fun <T> Observable<T>.subscribeWithView(onNext: (V, T) -> Unit, onError: ((V, Throwable) -> Unit)? = null)
+    fun <T> Observable<T>.subscribeWithView(onNext: (V, T) -> Unit, onError: ((V, Throwable) -> Unit)? = null) = compose(DeliverWithView<V, T>(view())).subscribe(split(onNext, onError)).apply { add(this) }
-            = compose(DeliverWithView<V, T>(view())).subscribe(split(onNext, onError)).apply { add(this) }
 
     /**
      * A deliverable that only emits to the view if attached, otherwise the event is ignored.

app/src/main/java/eu/kanade/tachiyomi/ui/catalogue/CatalogueController.kt

@@ -192,7 +192,7 @@ class CatalogueController : NucleusController<CataloguePresenter>(),
                 .subscribeUntilDestroy { performGlobalSearch(it.queryText().toString()) }
     }
 
-    fun performGlobalSearch(query: String){
+    fun performGlobalSearch(query: String) {
         router.pushController(CatalogueSearchController(query).withFadeTransaction())
     }
 

app/src/main/java/eu/kanade/tachiyomi/ui/catalogue/browse/BrowseCatalogueController.kt

@@ -347,7 +347,8 @@ open class BrowseCatalogueController(bundle: Bundle) :
         snack?.dismiss()
 
         if (catalogue_view != null) {
-            val message = if (error is NoResultsException) catalogue_view.context.getString(R.string.no_results_found) else (error.message ?: "")
+            val message = if (error is NoResultsException) catalogue_view.context.getString(R.string.no_results_found) else (error.message
+                    ?: "")
 
             snack = catalogue_view.snack(message, Snackbar.LENGTH_INDEFINITE) {
                 setAction(R.string.action_retry) {
@@ -497,7 +498,7 @@ open class BrowseCatalogueController(bundle: Bundle) :
                             0 -> {
                                 presenter.changeMangaFavorite(manga)
                                 adapter?.notifyItemChanged(position)
-                                activity?.toast(activity?.getString(R.string.manga_removed_library))
+                                activity.toast(activity.getString(R.string.manga_removed_library))
                             }
                         }
                     }.show()
@@ -522,7 +523,7 @@ open class BrowseCatalogueController(bundle: Bundle) :
                             .showDialog(router)
                 }
             }
-            activity?.toast(activity?.getString(R.string.manga_added_library))
+            activity.toast(activity.getString(R.string.manga_added_library))
         }
 
     }

app/src/main/java/eu/kanade/tachiyomi/ui/catalogue/global_search/CatalogueSearchPresenter.kt

@@ -74,11 +74,12 @@ open class CatalogueSearchPresenter(
     override fun onCreate(savedState: Bundle?) {
         super.onCreate(savedState)
 
-        extensionFilter = savedState?.getString(CatalogueSearchPresenter::extensionFilter.name) ?:
+        extensionFilter = savedState?.getString(CatalogueSearchPresenter::extensionFilter.name)
-                          initialExtensionFilter
+                ?: initialExtensionFilter
 
         // Perform a search with previous or initial state
-        search(savedState?.getString(BrowseCataloguePresenter::query.name) ?: initialQuery.orEmpty())
+        search(savedState?.getString(BrowseCataloguePresenter::query.name)
+                ?: initialQuery.orEmpty())
     }
 
     override fun onDestroy() {
@@ -117,10 +118,10 @@ open class CatalogueSearchPresenter(
         }
 
         val filterSources = extensionManager.installedExtensions
-            .filter { it.pkgName == filter }
+                .filter { it.pkgName == filter }
-            .flatMap { it.sources }
+                .flatMap { it.sources }
-            .filter { it in enabledSources }
+                .filter { it in enabledSources }
-            .filterIsInstance<CatalogueSource>()
+                .filterIsInstance<CatalogueSource>()
 
         if (filterSources.isEmpty()) {
             return enabledSources

app/src/main/java/eu/kanade/tachiyomi/ui/catalogue/latest/LatestUpdatesPager.kt

@@ -10,7 +10,7 @@ import rx.schedulers.Schedulers
 /**
  * LatestUpdatesPager inherited from the general Pager.
  */
-class LatestUpdatesPager(val source: CatalogueSource): Pager() {
+class LatestUpdatesPager(val source: CatalogueSource) : Pager() {
 
     override fun requestNext(): Observable<MangasPage> {
         return source.fetchLatestUpdates(currentPage)

app/src/main/java/eu/kanade/tachiyomi/ui/category/CategoryHolder.kt

@@ -37,7 +37,7 @@ class CategoryHolder(view: View, val adapter: CategoryAdapter) : BaseFlexibleVie
 
         // Update circle letter image.
         itemView.post {
-            image.setImageDrawable(image.getRound(category.name.take(1).toUpperCase(),false))
+            image.setImageDrawable(image.getRound(category.name.take(1).toUpperCase(), false))
         }
     }
 

app/src/main/java/eu/kanade/tachiyomi/ui/extension/ExtensionController.kt

@@ -126,11 +126,11 @@ open class ExtensionController : NucleusController<ExtensionPresenter>(),
         }
 
         searchView.queryTextChanges()
-            .filter { router.backstack.lastOrNull()?.controller() == this }
+                .filter { router.backstack.lastOrNull()?.controller() == this }
-            .subscribeUntilDestroy {
+                .subscribeUntilDestroy {
-                query = it.toString()
+                    query = it.toString()
-                drawExtensions()
+                    drawExtensions()
-            }
+                }
 
         // Fixes problem with the overflow icon showing up in lieu of search
         searchItem.fixExpand(onExpand = { invalidateMenuOnExpand() })

app/src/main/java/eu/kanade/tachiyomi/ui/extension/ExtensionFilterController.kt

@@ -12,7 +12,7 @@ import eu.kanade.tachiyomi.util.system.LocaleHelper
 import uy.kohesive.injekt.Injekt
 import uy.kohesive.injekt.api.get
 
-class ExtensionFilterController: SettingsController() {
+class ExtensionFilterController : SettingsController() {
 
     override fun setupPreferenceScreen(screen: PreferenceScreen) = with(screen) {
         titleRes = R.string.action_filter

app/src/main/java/eu/kanade/tachiyomi/ui/extension/ExtensionPresenter.kt

@@ -46,7 +46,7 @@ open class ExtensionPresenter(
                 .startWith(emptyList<Extension.Available>())
 
         return Observable.combineLatest(installedObservable, untrustedObservable, availableObservable)
-                { installed, untrusted, available -> Triple(installed, untrusted, available) }
+        { installed, untrusted, available -> Triple(installed, untrusted, available) }
                 .debounce(100, TimeUnit.MILLISECONDS)
                 .map(::toItems)
                 .observeOn(AndroidSchedulers.mainThread())
@@ -67,9 +67,11 @@ open class ExtensionPresenter(
         val untrustedSorted = untrusted.sortedBy { it.pkgName }
         val availableSorted = available
                 // Filter out already installed extensions and disabled languages
-                .filter { avail -> installed.none { it.pkgName == avail.pkgName }
+                .filter { avail ->
-                        && untrusted.none { it.pkgName == avail.pkgName }
+                    installed.none { it.pkgName == avail.pkgName }
-                        && (avail.lang in activeLangs || avail.lang == "all")}
+                            && untrusted.none { it.pkgName == avail.pkgName }
+                            && (avail.lang in activeLangs || avail.lang == "all")
+                }
                 .sortedBy { it.pkgName }
 
         if (updatesSorted.isNotEmpty()) {

app/src/main/java/eu/kanade/tachiyomi/ui/extension/ExtensionTrustDialog.kt

@@ -8,7 +8,7 @@ import eu.kanade.tachiyomi.R
 import eu.kanade.tachiyomi.ui.base.controller.DialogController
 
 class ExtensionTrustDialog<T>(bundle: Bundle? = null) : DialogController(bundle)
-        where T : Controller, T: ExtensionTrustDialog.Listener {
+        where T : Controller, T : ExtensionTrustDialog.Listener {
 
     constructor(target: T, signatureHash: String, pkgName: String) : this(Bundle().apply {
         putString(SIGNATURE_KEY, signatureHash)

app/src/main/java/eu/kanade/tachiyomi/ui/library/DeleteLibraryMangasDialog.kt

@@ -10,7 +10,7 @@ import eu.kanade.tachiyomi.ui.base.controller.DialogController
 import eu.kanade.tachiyomi.widget.DialogCheckboxView
 
 class DeleteLibraryMangasDialog<T>(bundle: Bundle? = null) :
-        DialogController(bundle) where T : Controller, T: DeleteLibraryMangasDialog.Listener {
+        DialogController(bundle) where T : Controller, T : DeleteLibraryMangasDialog.Listener {
 
     private var mangas = emptyList<Manga>()
 
@@ -40,4 +40,4 @@ class DeleteLibraryMangasDialog<T>(bundle: Bundle? = null) :
     interface Listener {
         fun deleteMangasFromLibrary(mangas: List<Manga>, deleteChapters: Boolean)
     }
-}
+}

app/src/main/java/eu/kanade/tachiyomi/ui/library/LibraryGridHolder.kt

@@ -43,7 +43,7 @@ class LibraryGridHolder(
             text = item.downloadCount.toString()
         }
         //set local visibility if its local manga
-        local_text.visibility = if(item.manga.source == LocalSource.ID) View.VISIBLE else View.GONE
+        local_text.visibility = if (item.manga.source == LocalSource.ID) View.VISIBLE else View.GONE
 
         // Update the cover.
         GlideApp.with(view.context).clear(thumbnail)

app/src/main/java/eu/kanade/tachiyomi/ui/library/LibraryItem.kt

@@ -64,15 +64,15 @@ class LibraryItem(val manga: LibraryManga, private val libraryAsList: Preference
      */
     override fun filter(constraint: String): Boolean {
         return manga.title.contains(constraint, true) ||
-            (manga.author?.contains(constraint, true) ?: false) ||
+                (manga.author?.contains(constraint, true) ?: false) ||
-            (manga.artist?.contains(constraint, true) ?: false) ||
+                (manga.artist?.contains(constraint, true) ?: false) ||
-            sourceManager.getOrStub(manga.source).name.contains(constraint, true) ||
+                sourceManager.getOrStub(manga.source).name.contains(constraint, true) ||
-            if (constraint.contains(",")) {
+                if (constraint.contains(",")) {
-                val genres = manga.genre?.split(", ")
+                    val genres = manga.genre?.split(", ")
-                constraint.split(",").all { containsGenre(it.trim(), genres) }
+                    constraint.split(",").all { containsGenre(it.trim(), genres) }
-            } else {
+                } else {
-                containsGenre(constraint, manga.genre?.split(", "))
+                    containsGenre(constraint, manga.genre?.split(", "))
-            }
+                }
     }
 
     private fun containsGenre(tag: String, genres: List<String>?): Boolean {

app/src/main/java/eu/kanade/tachiyomi/ui/library/LibraryPresenter.kt

@@ -89,14 +89,14 @@ class LibraryPresenter(
     fun subscribeLibrary() {
         if (librarySubscription.isNullOrUnsubscribed()) {
             librarySubscription = getLibraryObservable()
-                    .combineLatest(downloadTriggerRelay.observeOn(Schedulers.io())) {
+                    .combineLatest(downloadTriggerRelay.observeOn(Schedulers.io())) { lib, _ ->
-                        lib, _ -> lib.apply { setDownloadCount(mangaMap) }
+                        lib.apply { setDownloadCount(mangaMap) }
                     }
-                    .combineLatest(filterTriggerRelay.observeOn(Schedulers.io())) {
+                    .combineLatest(filterTriggerRelay.observeOn(Schedulers.io())) { lib, _ ->
-                        lib, _ -> lib.copy(mangaMap = applyFilters(lib.mangaMap))
+                        lib.copy(mangaMap = applyFilters(lib.mangaMap))
                     }
-                    .combineLatest(sortTriggerRelay.observeOn(Schedulers.io())) {
+                    .combineLatest(sortTriggerRelay.observeOn(Schedulers.io())) { lib, _ ->
-                        lib, _ -> lib.copy(mangaMap = applySort(lib.mangaMap))
+                        lib.copy(mangaMap = applySort(lib.mangaMap))
                     }
                     .observeOn(AndroidSchedulers.mainThread())
                     .subscribeLatestCache({ view, (categories, mangaMap) ->
@@ -117,7 +117,7 @@ class LibraryPresenter(
 
         val filterCompleted = preferences.filterCompleted().getOrDefault()
 
-        val filterFn: (LibraryItem) -> Boolean = f@ { item ->
+        val filterFn: (LibraryItem) -> Boolean = f@{ item ->
             // Filter when there isn't unread chapters.
             if (filterUnread && item.manga.unread == 0) {
                 return@f false
@@ -231,16 +231,15 @@ class LibraryPresenter(
      * @return an observable of the categories and its manga.
      */
     private fun getLibraryObservable(): Observable<Library> {
-        return Observable.combineLatest(getCategoriesObservable(), getLibraryMangasObservable()) {
+        return Observable.combineLatest(getCategoriesObservable(), getLibraryMangasObservable()) { dbCategories, libraryManga ->
-            dbCategories, libraryManga ->
+            val categories = if (libraryManga.containsKey(0))
-                val categories = if (libraryManga.containsKey(0))
+                arrayListOf(Category.createDefault()) + dbCategories
-                    arrayListOf(Category.createDefault()) + dbCategories
+            else
-                else
+                dbCategories
-                    dbCategories
 
-                this.categories = categories
+            this.categories = categories
-                Library(categories, libraryManga)
+            Library(categories, libraryManga)
-            }
+        }
     }
 
     /**

app/src/main/java/eu/kanade/tachiyomi/ui/library/LibrarySelectionEvent.kt

@@ -6,5 +6,5 @@ sealed class LibrarySelectionEvent {
 
     class Selected(val manga: Manga) : LibrarySelectionEvent()
     class Unselected(val manga: Manga) : LibrarySelectionEvent()
-    class Cleared() : LibrarySelectionEvent()
+    class Cleared : LibrarySelectionEvent()
-}
+}

app/src/main/java/eu/kanade/tachiyomi/ui/main/DeepLinkActivity.kt

@@ -4,7 +4,7 @@ import android.app.Activity
 import android.content.Intent
 import android.os.Bundle
 
-class DeepLinkActivity: Activity() {
+class DeepLinkActivity : Activity() {
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
@@ -16,4 +16,4 @@ class DeepLinkActivity: Activity() {
         startActivity(intent)
         finish()
     }
-}
+}

app/src/main/java/eu/kanade/tachiyomi/ui/main/TabsAnimator.kt

@@ -29,23 +29,23 @@ class TabsAnimator(val tabs: TabLayout) {
 
     init {
         tabs.viewTreeObserver.addOnGlobalLayoutListener(
-            object : ViewTreeObserver.OnGlobalLayoutListener {
+                object : ViewTreeObserver.OnGlobalLayoutListener {
-                override fun onGlobalLayout() {
+                    override fun onGlobalLayout() {
-                    if (tabs.height > 0) {
+                        if (tabs.height > 0) {
-                        tabs.viewTreeObserver.removeOnGlobalLayoutListener(this)
+                            tabs.viewTreeObserver.removeOnGlobalLayoutListener(this)
 
-                        // Save the tabs default height.
+                            // Save the tabs default height.
-                        tabsHeight = tabs.height
+                            tabsHeight = tabs.height
 
-                        // Now that we know the height, set the initial height.
+                            // Now that we know the height, set the initial height.
-                        if (isLastStateShown) {
+                            if (isLastStateShown) {
-                            setHeight(tabsHeight)
+                                setHeight(tabsHeight)
-                        } else {
+                            } else {
-                            setHeight(0)
+                                setHeight(0)
+                            }
                         }
                     }
                 }
-            }
         )
     }
 

app/src/main/java/eu/kanade/tachiyomi/ui/manga/chapter/ChapterItem.kt

@@ -17,9 +17,12 @@ class ChapterItem(val chapter: Chapter, val manga: Manga) : AbstractFlexibleItem
 
     var status: Int
         get() = download?.status ?: _status
-        set(value) { _status = value }
+        set(value) {
+            _status = value
+        }
 
-    @Transient var download: Download? = null
+    @Transient
+    var download: Download? = null
 
     val isDownloaded: Boolean
         get() = status == Download.DOWNLOADED

app/src/main/java/eu/kanade/tachiyomi/ui/manga/chapter/ChaptersController.kt

@@ -139,11 +139,11 @@ class ChaptersController : NucleusController<ChaptersPresenter>(),
         menuFilterDownloaded.isChecked = presenter.onlyDownloaded()
         menuFilterBookmarked.isChecked = presenter.onlyBookmarked()
 
+        // Disable unread filter option if read filter is enabled.
         if (presenter.onlyRead())
-            //Disable unread filter option if read filter is enabled.
             menuFilterUnread.isEnabled = false
+        // Disable read filter option if unread filter is enabled.
         if (presenter.onlyUnread())
-            //Disable read filter option if unread filter is enabled.
             menuFilterRead.isEnabled = false
 
         // Display mode submenu

app/src/main/java/eu/kanade/tachiyomi/ui/manga/chapter/ChaptersPresenter.kt

@@ -109,8 +109,8 @@ class ChaptersPresenter(
                 .observeOn(AndroidSchedulers.mainThread())
                 .filter { download -> download.manga.id == manga.id }
                 .doOnNext { onDownloadStatusChange(it) }
-                .subscribeLatestCache(ChaptersController::onChapterStatusChange) {
+                .subscribeLatestCache(ChaptersController::onChapterStatusChange) { _, error ->
-                    _, error -> Timber.e(error)
+                    Timber.e(error)
                 }
     }
 
@@ -176,8 +176,7 @@ class ChaptersPresenter(
         var observable = Observable.from(chapters).subscribeOn(Schedulers.io())
         if (onlyUnread()) {
             observable = observable.filter { !it.read }
-        }
+        } else if (onlyRead()) {
-        else if (onlyRead()) {
             observable = observable.filter { it.read }
         }
         if (onlyDownloaded()) {

app/src/main/java/eu/kanade/tachiyomi/ui/manga/info/MangaInfoController.kt

@@ -91,7 +91,7 @@ class MangaInfoController : NucleusController<MangaInfoPresenter>(),
         fab_favorite.clicks().subscribeUntilDestroy { onFabClick() }
 
         // Set onLongClickListener to manage categories when FAB is clicked.
-        fab_favorite.longClicks().subscribeUntilDestroy{ onFabLongClick() }
+        fab_favorite.longClicks().subscribeUntilDestroy { onFabLongClick() }
 
         // Set SwipeRefresh to refresh manga data.
         swipe_refresh.refreshes().subscribeUntilDestroy { fetchMangaFromSource() }
@@ -488,7 +488,7 @@ class MangaInfoController : NucleusController<MangaInfoPresenter>(),
                         activity?.toast(R.string.icon_creation_fail)
                     }
 
-                    override fun onLoadCleared(placeholder: Drawable?) { }
+                    override fun onLoadCleared(placeholder: Drawable?) {}
                 })
     }
 

app/src/main/java/eu/kanade/tachiyomi/ui/manga/track/TrackSearchDialog.kt

@@ -59,7 +59,7 @@ class TrackSearchDialog : DialogController {
                 .onPositive { _, _ -> onPositiveButtonClick() }
                 .negativeText(android.R.string.cancel)
                 .neutralText(R.string.action_remove)
-                .onNeutral { _, _ ->  onRemoveButtonClick() }
+                .onNeutral { _, _ -> onRemoveButtonClick() }
                 .build()
 
         if (subscriptions.isUnsubscribed) {

app/src/main/java/eu/kanade/tachiyomi/ui/migration/MigrationFlags.kt

@@ -4,13 +4,13 @@ import eu.kanade.tachiyomi.R
 
 object MigrationFlags {
 
-    private const val CHAPTERS   = 0b001
+    private const val CHAPTERS = 0b001
     private const val CATEGORIES = 0b010
-    private const val TRACK      = 0b100
+    private const val TRACK = 0b100
 
-    private const val CHAPTERS2   = 0x1
+    private const val CHAPTERS2 = 0x1
     private const val CATEGORIES2 = 0x2
-    private const val TRACK2      = 0x4
+    private const val TRACK2 = 0x4
 
     val titles get() = arrayOf(R.string.chapters, R.string.categories, R.string.track)
 

app/src/main/java/eu/kanade/tachiyomi/ui/migration/SourceHolder.kt

@@ -37,7 +37,7 @@ class SourceHolder(view: View, override val adapter: SourceAdapter) :
 
         // Set circle letter image.
         itemView.post {
-            image.setImageDrawable(image.getRound(source.name.take(1).toUpperCase(),false))
+            image.setImageDrawable(image.getRound(source.name.take(1).toUpperCase(), false))
         }
     }
 }

app/src/main/java/eu/kanade/tachiyomi/ui/reader/PageIndicatorTextView.kt

@@ -32,7 +32,7 @@ class PageIndicatorTextView(
         // Also add a bit of spacing between each character, as the stroke overlaps them
         val finalText = SpannableString(currText.asIterable().joinToString("\u00A0")).apply {
             // Apply text outline
-            setSpan(spanOutline, 1, length-1, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE)
+            setSpan(spanOutline, 1, length - 1, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE)
 
             for (i in 1..lastIndex step 2) {
                 setSpan(ScaleXSpan(0.2f), i, i + 1, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE)

app/src/main/java/eu/kanade/tachiyomi/ui/reader/ReaderActivity.kt

@@ -555,40 +555,40 @@ class ReaderActivity : BaseRxActivity<ReaderPresenter>() {
             val sharedRotation = preferences.rotation().asObservable().share()
             val initialRotation = sharedRotation.take(1)
             val rotationUpdates = sharedRotation.skip(1)
-                .delay(250, TimeUnit.MILLISECONDS, AndroidSchedulers.mainThread())
+                    .delay(250, TimeUnit.MILLISECONDS, AndroidSchedulers.mainThread())
 
             subscriptions += Observable.merge(initialRotation, rotationUpdates)
-                .subscribe { setOrientation(it) }
+                    .subscribe { setOrientation(it) }
 
             subscriptions += preferences.readerTheme().asObservable()
-                .skip(1) // We only care about updates
+                    .skip(1) // We only care about updates
-                .subscribe { recreate() }
+                    .subscribe { recreate() }
 
             subscriptions += preferences.showPageNumber().asObservable()
-                .subscribe { setPageNumberVisibility(it) }
+                    .subscribe { setPageNumberVisibility(it) }
 
             subscriptions += preferences.trueColor().asObservable()
-                .subscribe { setTrueColor(it) }
+                    .subscribe { setTrueColor(it) }
 
             subscriptions += preferences.fullscreen().asObservable()
-                .subscribe { setFullscreen(it) }
+                    .subscribe { setFullscreen(it) }
 
             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) {
                 subscriptions += preferences.cutoutShort().asObservable()
-                        .subscribe { setCutoutShort(it)}
+                        .subscribe { setCutoutShort(it) }
             }
 
             subscriptions += preferences.keepScreenOn().asObservable()
-                .subscribe { setKeepScreenOn(it) }
+                    .subscribe { setKeepScreenOn(it) }
 
             subscriptions += preferences.customBrightness().asObservable()
-                .subscribe { setCustomBrightness(it) }
+                    .subscribe { setCustomBrightness(it) }
 
             subscriptions += preferences.colorFilter().asObservable()
-                .subscribe { setColorFilter(it) }
+                    .subscribe { setColorFilter(it) }
 
             subscriptions += preferences.colorFilterMode().asObservable()
-                .subscribe { setColorFilter(preferences.colorFilter().getOrDefault()) }
+                    .subscribe { setColorFilter(preferences.colorFilter().getOrDefault()) }
         }
 
         /**
@@ -684,8 +684,8 @@ class ReaderActivity : BaseRxActivity<ReaderPresenter>() {
         private fun setCustomBrightness(enabled: Boolean) {
             if (enabled) {
                 customBrightnessSubscription = preferences.customBrightnessValue().asObservable()
-                    .sample(100, TimeUnit.MILLISECONDS, AndroidSchedulers.mainThread())
+                        .sample(100, TimeUnit.MILLISECONDS, AndroidSchedulers.mainThread())
-                    .subscribe { setCustomBrightnessValue(it) }
+                        .subscribe { setCustomBrightnessValue(it) }
 
                 subscriptions.add(customBrightnessSubscription)
             } else {
@@ -700,8 +700,8 @@ class ReaderActivity : BaseRxActivity<ReaderPresenter>() {
         private fun setColorFilter(enabled: Boolean) {
             if (enabled) {
                 customFilterColorSubscription = preferences.colorFilterValue().asObservable()
-                    .sample(100, TimeUnit.MILLISECONDS, AndroidSchedulers.mainThread())
+                        .sample(100, TimeUnit.MILLISECONDS, AndroidSchedulers.mainThread())
-                    .subscribe { setColorFilterValue(it) }
+                        .subscribe { setColorFilterValue(it) }
 
                 subscriptions.add(customFilterColorSubscription)
             } else {

app/src/main/java/eu/kanade/tachiyomi/ui/reader/ReaderColorFilterSheet.kt

@@ -55,13 +55,13 @@ class ReaderColorFilterSheet(activity: ReaderActivity) : BottomSheetDialog(activ
 
         // Initialize subscriptions.
         subscriptions += preferences.colorFilter().asObservable()
-            .subscribe { setColorFilter(it, view) }
+                .subscribe { setColorFilter(it, view) }
 
         subscriptions += preferences.colorFilterMode().asObservable()
-            .subscribe { setColorFilter(preferences.colorFilter().getOrDefault(), view) }
+                .subscribe { setColorFilter(preferences.colorFilter().getOrDefault(), view) }
 
         subscriptions += preferences.customBrightness().asObservable()
-            .subscribe { setCustomBrightness(it, view) }
+                .subscribe { setCustomBrightness(it, view) }
 
         // Get color and update values
         val color = preferences.colorFilterValue().getOrDefault()
@@ -202,8 +202,8 @@ class ReaderColorFilterSheet(activity: ReaderActivity) : BottomSheetDialog(activ
     private fun setCustomBrightness(enabled: Boolean, view: View) {
         if (enabled) {
             customBrightnessSubscription = preferences.customBrightnessValue().asObservable()
-                .sample(100, TimeUnit.MILLISECONDS, AndroidSchedulers.mainThread())
+                    .sample(100, TimeUnit.MILLISECONDS, AndroidSchedulers.mainThread())
-                .subscribe { setCustomBrightnessValue(it, view) }
+                    .subscribe { setCustomBrightnessValue(it, view) }
 
             subscriptions.add(customBrightnessSubscription)
         } else {
@@ -241,8 +241,8 @@ class ReaderColorFilterSheet(activity: ReaderActivity) : BottomSheetDialog(activ
     private fun setColorFilter(enabled: Boolean, view: View) {
         if (enabled) {
             customFilterColorSubscription = preferences.colorFilterValue().asObservable()
-                .sample(100, TimeUnit.MILLISECONDS, AndroidSchedulers.mainThread())
+                    .sample(100, TimeUnit.MILLISECONDS, AndroidSchedulers.mainThread())
-                .subscribe { setColorFilterValue(it, view) }
+                    .subscribe { setColorFilterValue(it, view) }
 
             subscriptions.add(customFilterColorSubscription)
         } else {

app/src/main/java/eu/kanade/tachiyomi/ui/reader/ReaderPageSheet.kt

@@ -47,14 +47,14 @@ class ReaderPageSheet(
         if (page.status != Page.READY) return
 
         MaterialDialog.Builder(activity)
-            .content(activity.getString(R.string.confirm_set_image_as_cover))
+                .content(activity.getString(R.string.confirm_set_image_as_cover))
-            .positiveText(android.R.string.yes)
+                .positiveText(android.R.string.yes)
-            .negativeText(android.R.string.no)
+                .negativeText(android.R.string.no)
-            .onPositive { _, _ ->
+                .onPositive { _, _ ->
-                activity.setAsCover(page)
+                    activity.setAsCover(page)
-                dismiss()
+                    dismiss()
-            }
+                }
-            .show()
+                .show()
     }
 
     /**

app/src/main/java/eu/kanade/tachiyomi/ui/reader/SaveImageNotifier.kt

@@ -37,12 +37,12 @@ class SaveImageNotifier(private val context: Context) {
      */
     fun onComplete(file: File) {
         val bitmap = GlideApp.with(context)
-            .asBitmap()
+                .asBitmap()
-            .load(file)
+                .load(file)
-            .diskCacheStrategy(DiskCacheStrategy.NONE)
+                .diskCacheStrategy(DiskCacheStrategy.NONE)
-            .skipMemoryCache(true)
+                .skipMemoryCache(true)
-            .submit(720, 1280)
+                .submit(720, 1280)
-            .get()
+                .get()
 
         if (bitmap != null) {
             showCompleteNotification(file, bitmap)

app/src/main/java/eu/kanade/tachiyomi/ui/reader/loader/ChapterLoader.kt

@@ -31,34 +31,34 @@ class ChapterLoader(
         }
 
         return Observable.just(chapter)
-            .doOnNext { chapter.state = ReaderChapter.State.Loading }
+                .doOnNext { chapter.state = ReaderChapter.State.Loading }
-            .observeOn(Schedulers.io())
+                .observeOn(Schedulers.io())
-            .flatMap {
+                .flatMap {
-                Timber.d("Loading pages for ${chapter.chapter.name}")
+                    Timber.d("Loading pages for ${chapter.chapter.name}")
 
-                val loader = getPageLoader(it)
+                    val loader = getPageLoader(it)
-                chapter.pageLoader = loader
+                    chapter.pageLoader = loader
 
-                loader.getPages().take(1).doOnNext { pages ->
+                    loader.getPages().take(1).doOnNext { pages ->
-                    pages.forEach { it.chapter = chapter }
+                        pages.forEach { it.chapter = chapter }
-                }
+                    }
-            }
-            .observeOn(AndroidSchedulers.mainThread())
-            .doOnNext { pages ->
-                if (pages.isEmpty()) {
-                    throw Exception("Page list is empty")
                 }
+                .observeOn(AndroidSchedulers.mainThread())
+                .doOnNext { pages ->
+                    if (pages.isEmpty()) {
+                        throw Exception("Page list is empty")
+                    }
 
-                chapter.state = ReaderChapter.State.Loaded(pages)
+                    chapter.state = ReaderChapter.State.Loaded(pages)
 
-                // If the chapter is partially read, set the starting page to the last the user read
+                    // If the chapter is partially read, set the starting page to the last the user read
-                // otherwise use the requested page.
+                    // otherwise use the requested page.
-                if (!chapter.chapter.read) {
+                    if (!chapter.chapter.read) {
-                    chapter.requestedPage = chapter.chapter.last_page_read
+                        chapter.requestedPage = chapter.chapter.last_page_read
+                    }
                 }
-            }
+                .toCompletable()
-            .toCompletable()
+                .doOnError { chapter.state = ReaderChapter.State.Error(it) }
-            .doOnError { chapter.state = ReaderChapter.State.Error(it) }
     }
 
     /**

app/src/main/java/eu/kanade/tachiyomi/ui/reader/loader/DirectoryPageLoader.kt

@@ -19,16 +19,16 @@ class DirectoryPageLoader(val file: File) : PageLoader() {
      */
     override fun getPages(): Observable<List<ReaderPage>> {
         return file.listFiles()
-            .filter { !it.isDirectory && ImageUtil.isImage(it.name) { FileInputStream(it) } }
+                .filter { !it.isDirectory && ImageUtil.isImage(it.name) { FileInputStream(it) } }
-            .sortedWith(Comparator<File> { f1, f2 -> f1.name.compareToCaseInsensitiveNaturalOrder(f2.name) })
+                .sortedWith(Comparator<File> { f1, f2 -> f1.name.compareToCaseInsensitiveNaturalOrder(f2.name) })
-            .mapIndexed { i, file ->
+                .mapIndexed { i, file ->
-                val streamFn = { FileInputStream(file) }
+                    val streamFn = { FileInputStream(file) }
-                ReaderPage(i).apply {
+                    ReaderPage(i).apply {
-                    stream = streamFn
+                        stream = streamFn
-                    status = Page.READY
+                        status = Page.READY
+                    }
                 }
-            }
+                .let { Observable.just(it) }
-            .let { Observable.just(it) }
     }
 
     /**

app/src/main/java/eu/kanade/tachiyomi/ui/reader/loader/DownloadPageLoader.kt

@@ -31,15 +31,15 @@ class DownloadPageLoader(
      */
     override fun getPages(): Observable<List<ReaderPage>> {
         return downloadManager.buildPageList(source, manga, chapter.chapter)
-            .map { pages ->
+                .map { pages ->
-                pages.map { page ->
+                    pages.map { page ->
-                    ReaderPage(page.index, page.url, page.imageUrl) {
+                        ReaderPage(page.index, page.url, page.imageUrl) {
-                        context.contentResolver.openInputStream(page.uri ?: Uri.EMPTY)!!
+                            context.contentResolver.openInputStream(page.uri ?: Uri.EMPTY)!!
-                    }.apply {
+                        }.apply {
-                        status = Page.READY
+                            status = Page.READY
+                        }
                     }
                 }
-            }
     }
 
     override fun getPage(page: ReaderPage): Observable<Int> {

app/src/main/java/eu/kanade/tachiyomi/ui/reader/loader/EpubPageLoader.kt

@@ -30,14 +30,14 @@ class EpubPageLoader(file: File) : PageLoader() {
      */
     override fun getPages(): Observable<List<ReaderPage>> {
         return epub.getImagesFromPages()
-            .mapIndexed { i, path ->
+                .mapIndexed { i, path ->
-                val streamFn = { epub.getInputStream(epub.getEntry(path)!!) }
+                    val streamFn = { epub.getInputStream(epub.getEntry(path)!!) }
-                ReaderPage(i).apply {
+                    ReaderPage(i).apply {
-                    stream = streamFn
+                        stream = streamFn
-                    status = Page.READY
+                        status = Page.READY
+                    }
                 }
-            }
+                .let { Observable.just(it) }
-            .let { Observable.just(it) }
     }
 
     /**

app/src/main/java/eu/kanade/tachiyomi/ui/reader/loader/HttpPageLoader.kt

@@ -66,14 +66,14 @@ class HttpPageLoader(
         val pages = chapter.pages
         if (pages != null) {
             Completable
-                .fromAction {
+                    .fromAction {
-                    // Convert to pages without reader information
+                        // Convert to pages without reader information
-                    val pagesToSave = pages.map { Page(it.index, it.url, it.imageUrl) }
+                        val pagesToSave = pages.map { Page(it.index, it.url, it.imageUrl) }
-                    chapterCache.putPageListToCache(chapter.chapter, pagesToSave)
+                        chapterCache.putPageListToCache(chapter.chapter, pagesToSave)
-                }
+                    }
-                .onErrorComplete()
+                    .onErrorComplete()
-                .subscribeOn(Schedulers.io())
+                    .subscribeOn(Schedulers.io())
-                .subscribe()
+                    .subscribe()
         }
     }
 
@@ -86,7 +86,8 @@ class HttpPageLoader(
                 .getPageListFromCache(chapter.chapter)
                 .onErrorResumeNext { source.fetchPageList(chapter.chapter) }
                 .map { pages ->
-                    pages.mapIndexed { index, page -> // Don't trust sources and use our own indexing
+                    pages.mapIndexed { index, page ->
+                        // Don't trust sources and use our own indexing
                         ReaderPage(index, page.url, page.imageUrl)
                     }
                 }
@@ -166,7 +167,7 @@ class HttpPageLoader(
     private class PriorityPage(
             val page: ReaderPage,
             val priority: Int
-    ): Comparable<PriorityPage> {
+    ) : Comparable<PriorityPage> {
 
         companion object {
             private val idGenerator = AtomicInteger()
@@ -196,10 +197,10 @@ class HttpPageLoader(
     private fun HttpSource.getImageUrl(page: ReaderPage): Observable<ReaderPage> {
         page.status = Page.LOAD_PAGE
         return fetchImageUrl(page)
-            .doOnError { page.status = Page.ERROR }
+                .doOnError { page.status = Page.ERROR }
-            .onErrorReturn { null }
+                .onErrorReturn { null }
-            .doOnNext { page.imageUrl = it }
+                .doOnNext { page.imageUrl = it }
-            .map { page }
+                .map { page }
     }
 
     /**
@@ -212,19 +213,19 @@ class HttpPageLoader(
         val imageUrl = page.imageUrl ?: return Observable.just(page)
 
         return Observable.just(page)
-            .flatMap {
+                .flatMap {
-                if (!chapterCache.isImageInCache(imageUrl)) {
+                    if (!chapterCache.isImageInCache(imageUrl)) {
-                    cacheImage(page)
+                        cacheImage(page)
-                } else {
+                    } else {
-                    Observable.just(page)
+                        Observable.just(page)
+                    }
                 }
-            }
+                .doOnNext {
-            .doOnNext {
+                    page.stream = { chapterCache.getImageFile(imageUrl).inputStream() }
-                page.stream = { chapterCache.getImageFile(imageUrl).inputStream() }
+                    page.status = Page.READY
-                page.status = Page.READY
+                }
-            }
+                .doOnError { page.status = Page.ERROR }
-            .doOnError { page.status = Page.ERROR }
+                .onErrorReturn { page }
-            .onErrorReturn { page }
     }
 
     /**
@@ -235,7 +236,7 @@ class HttpPageLoader(
     private fun HttpSource.cacheImage(page: ReaderPage): Observable<ReaderPage> {
         page.status = Page.DOWNLOAD_IMAGE
         return fetchImage(page)
-            .doOnNext { chapterCache.putImageToCache(page.imageUrl!!, it) }
+                .doOnNext { chapterCache.putImageToCache(page.imageUrl!!, it) }
-            .map { page }
+                .map { page }
     }
 }

app/src/main/java/eu/kanade/tachiyomi/ui/reader/loader/RarPageLoader.kt

@@ -43,17 +43,17 @@ class RarPageLoader(file: File) : PageLoader() {
      */
     override fun getPages(): Observable<List<ReaderPage>> {
         return archive.fileHeaders
-            .filter { !it.isDirectory && ImageUtil.isImage(it.fileNameString) { archive.getInputStream(it) } }
+                .filter { !it.isDirectory && ImageUtil.isImage(it.fileNameString) { archive.getInputStream(it) } }
-            .sortedWith(Comparator<FileHeader> { f1, f2 -> f1.fileNameString.compareToCaseInsensitiveNaturalOrder(f2.fileNameString) })
+                .sortedWith(Comparator<FileHeader> { f1, f2 -> f1.fileNameString.compareToCaseInsensitiveNaturalOrder(f2.fileNameString) })
-            .mapIndexed { i, header ->
+                .mapIndexed { i, header ->
-                val streamFn = { getStream(header) }
+                    val streamFn = { getStream(header) }
 
-                ReaderPage(i).apply {
+                    ReaderPage(i).apply {
-                    stream = streamFn
+                        stream = streamFn
-                    status = Page.READY
+                        status = Page.READY
+                    }
                 }
-            }
+                .let { Observable.just(it) }
-            .let { Observable.just(it) }
     }
 
     /**

app/src/main/java/eu/kanade/tachiyomi/ui/reader/loader/ZipPageLoader.kt

@@ -33,16 +33,16 @@ class ZipPageLoader(file: File) : PageLoader() {
      */
     override fun getPages(): Observable<List<ReaderPage>> {
         return zip.entries().toList()
-            .filter { !it.isDirectory && ImageUtil.isImage(it.name) { zip.getInputStream(it) } }
+                .filter { !it.isDirectory && ImageUtil.isImage(it.name) { zip.getInputStream(it) } }
-            .sortedWith(Comparator<ZipEntry> { f1, f2 -> f1.name.compareToCaseInsensitiveNaturalOrder(f2.name) })
+                .sortedWith(Comparator<ZipEntry> { f1, f2 -> f1.name.compareToCaseInsensitiveNaturalOrder(f2.name) })
-            .mapIndexed { i, entry ->
+                .mapIndexed { i, entry ->
-                val streamFn = { zip.getInputStream(entry) }
+                    val streamFn = { zip.getInputStream(entry) }
-                ReaderPage(i).apply {
+                    ReaderPage(i).apply {
-                    stream = streamFn
+                        stream = streamFn
-                    status = Page.READY
+                        status = Page.READY
+                    }
                 }
-            }
+                .let { Observable.just(it) }
-            .let { Observable.just(it) }
     }
 
     /**

app/src/main/java/eu/kanade/tachiyomi/ui/reader/model/ChapterTransition.kt

@@ -8,6 +8,7 @@ sealed class ChapterTransition {
     class Prev(
             override val from: ReaderChapter, override val to: ReaderChapter?
     ) : ChapterTransition()
+
     class Next(
             override val from: ReaderChapter, override val to: ReaderChapter?
     ) : ChapterTransition()

app/src/main/java/eu/kanade/tachiyomi/ui/reader/viewer/ReaderProgressBar.kt

@@ -157,7 +157,7 @@ class ReaderProgressBar @JvmOverloads constructor(
         if (!animate) {
             visibility = View.GONE
         } else {
-            ObjectAnimator.ofFloat(this, "alpha",  1f, 0f).apply {
+            ObjectAnimator.ofFloat(this, "alpha", 1f, 0f).apply {
                 interpolator = DecelerateInterpolator()
                 duration = 1000
                 addListener(object : AnimatorListenerAdapter() {

app/src/main/java/eu/kanade/tachiyomi/ui/reader/viewer/pager/PagerConfig.kt

@@ -45,31 +45,31 @@ class PagerConfig(private val viewer: PagerViewer, preferences: PreferencesHelpe
 
     init {
         preferences.readWithTapping()
-            .register({ tappingEnabled = it })
+                .register({ tappingEnabled = it })
 
         preferences.readWithLongTap()
-            .register({ longTapEnabled = it })
+                .register({ longTapEnabled = it })
 
         preferences.pageTransitions()
-            .register({ usePageTransitions = it })
+                .register({ usePageTransitions = it })
 
         preferences.imageScaleType()
-            .register({ imageScaleType = it }, { imagePropertyChangedListener?.invoke() })
+                .register({ imageScaleType = it }, { imagePropertyChangedListener?.invoke() })
 
         preferences.zoomStart()
-            .register({ zoomTypeFromPreference(it) }, { imagePropertyChangedListener?.invoke() })
+                .register({ zoomTypeFromPreference(it) }, { imagePropertyChangedListener?.invoke() })
 
         preferences.cropBorders()
-            .register({ imageCropBorders = it }, { imagePropertyChangedListener?.invoke() })
+                .register({ imageCropBorders = it }, { imagePropertyChangedListener?.invoke() })
 
         preferences.doubleTapAnimSpeed()
-            .register({ doubleTapAnimDuration = it })
+                .register({ doubleTapAnimDuration = it })
 
         preferences.readWithVolumeKeys()
-            .register({ volumeKeysEnabled = it })
+                .register({ volumeKeysEnabled = it })
 
         preferences.readWithVolumeKeysInverted()
-            .register({ volumeKeysInverted = it })
+                .register({ volumeKeysInverted = it })
     }
 
     fun unsubscribe() {
@@ -81,12 +81,12 @@ class PagerConfig(private val viewer: PagerViewer, preferences: PreferencesHelpe
             onChanged: (T) -> Unit = {}
     ) {
         asObservable()
-            .doOnNext(valueAssignment)
+                .doOnNext(valueAssignment)
-            .skip(1)
+                .skip(1)
-            .distinctUntilChanged()
+                .distinctUntilChanged()
-            .doOnNext(onChanged)
+                .doOnNext(onChanged)
-            .subscribe()
+                .subscribe()
-            .addTo(subscriptions)
+                .addTo(subscriptions)
     }
 
     private fun zoomTypeFromPreference(value: Int) {

app/src/main/java/eu/kanade/tachiyomi/ui/reader/viewer/pager/PagerPageHolder.kt

@@ -127,8 +127,8 @@ class PagerPageHolder(
 
         val loader = page.chapter.pageLoader ?: return
         statusSubscription = loader.getPage(page)
-            .observeOn(AndroidSchedulers.mainThread())
+                .observeOn(AndroidSchedulers.mainThread())
-            .subscribe { processStatus(it) }
+                .subscribe { processStatus(it) }
     }
 
     /**
@@ -138,11 +138,11 @@ class PagerPageHolder(
         progressSubscription?.unsubscribe()
 
         progressSubscription = Observable.interval(100, TimeUnit.MILLISECONDS)
-            .map { page.progress }
+                .map { page.progress }
-            .distinctUntilChanged()
+                .distinctUntilChanged()
-            .onBackpressureLatest()
+                .onBackpressureLatest()
-            .observeOn(AndroidSchedulers.mainThread())
+                .observeOn(AndroidSchedulers.mainThread())
-            .subscribe { value -> progressBar.setProgress(value) }
+                .subscribe { value -> progressBar.setProgress(value) }
     }
 
     /**
@@ -234,25 +234,25 @@ class PagerPageHolder(
 
         var openStream: InputStream? = null
         readImageHeaderSubscription = Observable
-            .fromCallable {
+                .fromCallable {
-                val stream = streamFn().buffered(16)
+                    val stream = streamFn().buffered(16)
-                openStream = stream
+                    openStream = stream
 
-                ImageUtil.findImageType(stream) == ImageUtil.ImageType.GIF
+                    ImageUtil.findImageType(stream) == ImageUtil.ImageType.GIF
-            }
-            .subscribeOn(Schedulers.io())
-            .observeOn(AndroidSchedulers.mainThread())
-            .doOnNext { isAnimated ->
-                if (!isAnimated) {
-                    initSubsamplingImageView().setImage(ImageSource.inputStream(openStream!!))
-                } else {
-                    initImageView().setImage(openStream!!)
                 }
-            }
+                .subscribeOn(Schedulers.io())
-            // Keep the Rx stream alive to close the input stream only when unsubscribed
+                .observeOn(AndroidSchedulers.mainThread())
-            .flatMap { Observable.never<Unit>() }
+                .doOnNext { isAnimated ->
-            .doOnUnsubscribe { openStream?.close() }
+                    if (!isAnimated) {
-            .subscribe({}, {})
+                        initSubsamplingImageView().setImage(ImageSource.inputStream(openStream!!))
+                    } else {
+                        initImageView().setImage(openStream!!)
+                    }
+                }
+                // Keep the Rx stream alive to close the input stream only when unsubscribed
+                .flatMap { Observable.never<Unit>() }
+                .doOnUnsubscribe { openStream?.close() }
+                .subscribe({}, {})
     }
 
     /**
@@ -436,36 +436,36 @@ class PagerPageHolder(
      */
     private fun ImageView.setImage(stream: InputStream) {
         GlideApp.with(this)
-            .load(stream)
+                .load(stream)
-            .skipMemoryCache(true)
+                .skipMemoryCache(true)
-            .diskCacheStrategy(DiskCacheStrategy.NONE)
+                .diskCacheStrategy(DiskCacheStrategy.NONE)
-            .transition(DrawableTransitionOptions.with(NoTransition.getFactory()))
+                .transition(DrawableTransitionOptions.with(NoTransition.getFactory()))
-            .listener(object : RequestListener<Drawable> {
+                .listener(object : RequestListener<Drawable> {
-                override fun onLoadFailed(
+                    override fun onLoadFailed(
-                        e: GlideException?,
+                            e: GlideException?,
-                        model: Any?,
+                            model: Any?,
-                        target: Target<Drawable>?,
+                            target: Target<Drawable>?,
-                        isFirstResource: Boolean
+                            isFirstResource: Boolean
-                ): Boolean {
+                    ): Boolean {
-                    onImageDecodeError()
+                        onImageDecodeError()
-                    return false
+                        return false
-                }
-
-                override fun onResourceReady(
-                        resource: Drawable?,
-                        model: Any?,
-                        target: Target<Drawable>?,
-                        dataSource: DataSource?,
-                        isFirstResource: Boolean
-                ): Boolean {
-                    if (resource is GifDrawable) {
-                        resource.setLoopCount(GifDrawable.LOOP_INTRINSIC)
                     }
-                    onImageDecoded()
+
-                    return false
+                    override fun onResourceReady(
-                }
+                            resource: Drawable?,
-            })
+                            model: Any?,
-            .into(this)
+                            target: Target<Drawable>?,
+                            dataSource: DataSource?,
+                            isFirstResource: Boolean
+                    ): Boolean {
+                        if (resource is GifDrawable) {
+                            resource.setLoopCount(GifDrawable.LOOP_INTRINSIC)
+                        }
+                        onImageDecoded()
+                        return false
+                    }
+                })
+                .into(this)
     }
 
 }

app/src/main/java/eu/kanade/tachiyomi/ui/reader/viewer/pager/PagerTransitionHolder.kt

@@ -140,16 +140,17 @@ class PagerTransitionHolder(
     private fun observeStatus(chapter: ReaderChapter) {
         statusSubscription?.unsubscribe()
         statusSubscription = chapter.stateObserver
-            .observeOn(AndroidSchedulers.mainThread())
+                .observeOn(AndroidSchedulers.mainThread())
-            .subscribe { state ->
+                .subscribe { state ->
-                pagesContainer.removeAllViews()
+                    pagesContainer.removeAllViews()
-                when (state) {
+                    when (state) {
-                    is ReaderChapter.State.Wait -> {}
+                        is ReaderChapter.State.Wait -> {
-                    is ReaderChapter.State.Loading -> setLoading()
+                        }
-                    is ReaderChapter.State.Error -> setError(state.error)
+                        is ReaderChapter.State.Loading -> setLoading()
-                    is ReaderChapter.State.Loaded -> setLoaded()
+                        is ReaderChapter.State.Error -> setError(state.error)
+                        is ReaderChapter.State.Loaded -> setLoaded()
+                    }
                 }
-            }
     }
 
     /**

app/src/main/java/eu/kanade/tachiyomi/ui/reader/viewer/pager/PagerViewer.kt

@@ -85,7 +85,7 @@ abstract class PagerViewer(val activity: ReaderActivity) : BaseViewer {
                 else -> activity.toggleMenu()
             }
         }
-        pager.longTapListener = f@ {
+        pager.longTapListener = f@{
             if (activity.menuVisible || config.longTapEnabled) {
                 val item = adapter.items.getOrNull(pager.currentItem)
                 if (item is ReaderPage) {

app/src/main/java/eu/kanade/tachiyomi/ui/reader/viewer/webtoon/WebtoonConfig.kt

@@ -36,22 +36,22 @@ class WebtoonConfig(preferences: PreferencesHelper = Injekt.get()) {
 
     init {
         preferences.readWithTapping()
-            .register({ tappingEnabled = it })
+                .register({ tappingEnabled = it })
 
         preferences.readWithLongTap()
-            .register({ longTapEnabled = it })
+                .register({ longTapEnabled = it })
 
         preferences.cropBordersWebtoon()
-            .register({ imageCropBorders = it }, { imagePropertyChangedListener?.invoke() })
+                .register({ imageCropBorders = it }, { imagePropertyChangedListener?.invoke() })
 
         preferences.doubleTapAnimSpeed()
-            .register({ doubleTapAnimDuration = it })
+                .register({ doubleTapAnimDuration = it })
 
         preferences.readWithVolumeKeys()
-            .register({ volumeKeysEnabled = it })
+                .register({ volumeKeysEnabled = it })
 
         preferences.readWithVolumeKeysInverted()
-            .register({ volumeKeysInverted = it })
+                .register({ volumeKeysInverted = it })
     }
 
     fun unsubscribe() {
@@ -63,12 +63,12 @@ class WebtoonConfig(preferences: PreferencesHelper = Injekt.get()) {
             onChanged: (T) -> Unit = {}
     ) {
         asObservable()
-            .doOnNext(valueAssignment)
+                .doOnNext(valueAssignment)
-            .skip(1)
+                .skip(1)
-            .distinctUntilChanged()
+                .distinctUntilChanged()
-            .doOnNext(onChanged)
+                .doOnNext(onChanged)
-            .subscribe()
+                .subscribe()
-            .addTo(subscriptions)
+                .addTo(subscriptions)
     }
 
 }

app/src/main/java/eu/kanade/tachiyomi/ui/reader/viewer/webtoon/WebtoonLayoutManager.kt

@@ -44,10 +44,10 @@ class WebtoonLayoutManager(activity: ReaderActivity) : LinearLayoutManager(activ
 
         val child = if (mOrientation == HORIZONTAL)
             mHorizontalBoundCheck
-                .findOneViewWithinBoundFlags(fromIndex, toIndex, preferredBoundsFlag, 0)
+                    .findOneViewWithinBoundFlags(fromIndex, toIndex, preferredBoundsFlag, 0)
         else
             mVerticalBoundCheck
-                .findOneViewWithinBoundFlags(fromIndex, toIndex, preferredBoundsFlag, 0)
+                    .findOneViewWithinBoundFlags(fromIndex, toIndex, preferredBoundsFlag, 0)
 
         return if (child == null) NO_POSITION else getPosition(child)
     }

app/src/main/java/eu/kanade/tachiyomi/ui/reader/viewer/webtoon/WebtoonPageHolder.kt

@@ -149,8 +149,8 @@ class WebtoonPageHolder(
         val page = page ?: return
         val loader = page.chapter.pageLoader ?: return
         statusSubscription = loader.getPage(page)
-            .observeOn(AndroidSchedulers.mainThread())
+                .observeOn(AndroidSchedulers.mainThread())
-            .subscribe { processStatus(it) }
+                .subscribe { processStatus(it) }
 
         addSubscription(statusSubscription)
     }
@@ -164,11 +164,11 @@ class WebtoonPageHolder(
         val page = page ?: return
 
         progressSubscription = Observable.interval(100, TimeUnit.MILLISECONDS)
-            .map { page.progress }
+                .map { page.progress }
-            .distinctUntilChanged()
+                .distinctUntilChanged()
-            .onBackpressureLatest()
+                .onBackpressureLatest()
-            .observeOn(AndroidSchedulers.mainThread())
+                .observeOn(AndroidSchedulers.mainThread())
-            .subscribe { value -> progressBar.setProgress(value) }
+                .subscribe { value -> progressBar.setProgress(value) }
 
         addSubscription(progressSubscription)
     }
@@ -266,29 +266,29 @@ class WebtoonPageHolder(
 
         var openStream: InputStream? = null
         readImageHeaderSubscription = Observable
-            .fromCallable {
+                .fromCallable {
-                val stream = streamFn().buffered(16)
+                    val stream = streamFn().buffered(16)
-                openStream = stream
+                    openStream = stream
 
-                ImageUtil.findImageType(stream) == ImageUtil.ImageType.GIF
+                    ImageUtil.findImageType(stream) == ImageUtil.ImageType.GIF
-            }
-            .subscribeOn(Schedulers.io())
-            .observeOn(AndroidSchedulers.mainThread())
-            .doOnNext { isAnimated ->
-                if (!isAnimated) {
-                    val subsamplingView = initSubsamplingImageView()
-                    subsamplingView.visible()
-                    subsamplingView.setImage(ImageSource.inputStream(openStream!!))
-                } else {
-                    val imageView = initImageView()
-                    imageView.visible()
-                    imageView.setImage(openStream!!)
                 }
-            }
+                .subscribeOn(Schedulers.io())
-            // Keep the Rx stream alive to close the input stream only when unsubscribed
+                .observeOn(AndroidSchedulers.mainThread())
-            .flatMap { Observable.never<Unit>() }
+                .doOnNext { isAnimated ->
-            .doOnUnsubscribe { openStream?.close() }
+                    if (!isAnimated) {
-            .subscribe({}, {})
+                        val subsamplingView = initSubsamplingImageView()
+                        subsamplingView.visible()
+                        subsamplingView.setImage(ImageSource.inputStream(openStream!!))
+                    } else {
+                        val imageView = initImageView()
+                        imageView.visible()
+                        imageView.setImage(openStream!!)
+                    }
+                }
+                // Keep the Rx stream alive to close the input stream only when unsubscribed
+                .flatMap { Observable.never<Unit>() }
+                .doOnUnsubscribe { openStream?.close() }
+                .subscribe({}, {})
 
         addSubscription(readImageHeaderSubscription)
     }
@@ -328,7 +328,7 @@ class WebtoonPageHolder(
             val size = 48.dpToPx
             layoutParams = FrameLayout.LayoutParams(size, size).apply {
                 gravity = Gravity.CENTER_HORIZONTAL
-                setMargins(0, parentHeight/4, 0, 0)
+                setMargins(0, parentHeight / 4, 0, 0)
             }
         }
         progressContainer.addView(progress)
@@ -389,7 +389,7 @@ class WebtoonPageHolder(
         AppCompatButton(context).apply {
             layoutParams = FrameLayout.LayoutParams(WRAP_CONTENT, WRAP_CONTENT).apply {
                 gravity = Gravity.CENTER_HORIZONTAL
-                setMargins(0, parentHeight/4, 0, 0)
+                setMargins(0, parentHeight / 4, 0, 0)
             }
             setText(R.string.action_retry)
             setOnClickListener {
@@ -411,7 +411,7 @@ class WebtoonPageHolder(
 
         val decodeLayout = LinearLayout(context).apply {
             layoutParams = LinearLayout.LayoutParams(MATCH_PARENT, parentHeight).apply {
-                setMargins(0, parentHeight/6, 0, 0)
+                setMargins(0, parentHeight / 6, 0, 0)
             }
             gravity = Gravity.CENTER_HORIZONTAL
             orientation = LinearLayout.VERTICAL
@@ -476,36 +476,36 @@ class WebtoonPageHolder(
      */
     private fun ImageView.setImage(stream: InputStream) {
         GlideApp.with(this)
-            .load(stream)
+                .load(stream)
-            .skipMemoryCache(true)
+                .skipMemoryCache(true)
-            .diskCacheStrategy(DiskCacheStrategy.NONE)
+                .diskCacheStrategy(DiskCacheStrategy.NONE)
-            .transition(DrawableTransitionOptions.with(NoTransition.getFactory()))
+                .transition(DrawableTransitionOptions.with(NoTransition.getFactory()))
-            .listener(object : RequestListener<Drawable> {
+                .listener(object : RequestListener<Drawable> {
-                override fun onLoadFailed(
+                    override fun onLoadFailed(
-                        e: GlideException?,
+                            e: GlideException?,
-                        model: Any?,
+                            model: Any?,
-                        target: Target<Drawable>?,
+                            target: Target<Drawable>?,
-                        isFirstResource: Boolean
+                            isFirstResource: Boolean
-                ): Boolean {
+                    ): Boolean {
-                    onImageDecodeError()
+                        onImageDecodeError()
-                    return false
+                        return false
-                }
-
-                override fun onResourceReady(
-                        resource: Drawable?,
-                        model: Any?,
-                        target: Target<Drawable>?,
-                        dataSource: DataSource?,
-                        isFirstResource: Boolean
-                ): Boolean {
-                    if (resource is GifDrawable) {
-                        resource.setLoopCount(GifDrawable.LOOP_INTRINSIC)
                     }
-                    onImageDecoded()
+
-                    return false
+                    override fun onResourceReady(
-                }
+                            resource: Drawable?,
-            })
+                            model: Any?,
-            .into(this)
+                            target: Target<Drawable>?,
+                            dataSource: DataSource?,
+                            isFirstResource: Boolean
+                    ): Boolean {
+                        if (resource is GifDrawable) {
+                            resource.setLoopCount(GifDrawable.LOOP_INTRINSIC)
+                        }
+                        onImageDecoded()
+                        return false
+                    }
+                })
+                .into(this)
     }
 
 }

app/src/main/java/eu/kanade/tachiyomi/ui/reader/viewer/webtoon/WebtoonRecyclerView.kt

@@ -137,13 +137,13 @@ open class WebtoonRecyclerView @JvmOverloads constructor(
         }
 
         animate()
-            .apply {
+                .apply {
-                newX?.let { x(it) }
+                    newX?.let { x(it) }
-                newY?.let { y(it) }
+                    newY?.let { y(it) }
-            }
+                }
-            .setInterpolator(DecelerateInterpolator())
+                .setInterpolator(DecelerateInterpolator())
-            .setDuration(400)
+                .setDuration(400)
-            .start()
+                .start()
 
         return true
     }

app/src/main/java/eu/kanade/tachiyomi/ui/reader/viewer/webtoon/WebtoonTransitionHolder.kt

@@ -143,17 +143,18 @@ class WebtoonTransitionHolder(
         unsubscribeStatus()
 
         statusSubscription = chapter.stateObserver
-            .observeOn(AndroidSchedulers.mainThread())
+                .observeOn(AndroidSchedulers.mainThread())
-            .subscribe { state ->
+                .subscribe { state ->
-                pagesContainer.removeAllViews()
+                    pagesContainer.removeAllViews()
-                when (state) {
+                    when (state) {
-                    is ReaderChapter.State.Wait -> {}
+                        is ReaderChapter.State.Wait -> {
-                    is ReaderChapter.State.Loading -> setLoading()
+                        }
-                    is ReaderChapter.State.Error -> setError(state.error, transition)
+                        is ReaderChapter.State.Loading -> setLoading()
-                    is ReaderChapter.State.Loaded -> setLoaded()
+                        is ReaderChapter.State.Error -> setError(state.error, transition)
+                        is ReaderChapter.State.Loaded -> setLoaded()
+                    }
+                    pagesContainer.visibleIf { pagesContainer.childCount > 0 }
                 }
-                pagesContainer.visibleIf { pagesContainer.childCount > 0 }
-            }
 
         addSubscription(statusSubscription)
     }

app/src/main/java/eu/kanade/tachiyomi/ui/reader/viewer/webtoon/WebtoonViewer.kt

@@ -95,7 +95,7 @@ class WebtoonViewer(val activity: ReaderActivity) : BaseViewer {
                 else -> activity.toggleMenu()
             }
         }
-        recycler.longTapListener = f@ { event ->
+        recycler.longTapListener = f@{ event ->
             if (activity.menuVisible || config.longTapEnabled) {
                 val child = recycler.findChildViewUnder(event.x, event.y)
                 if (child != null) {

app/src/main/java/eu/kanade/tachiyomi/ui/recent_updates/RecentChapterItem.kt

@@ -17,9 +17,12 @@ class RecentChapterItem(val chapter: Chapter, val manga: Manga, header: DateItem
 
     var status: Int
         get() = download?.status ?: _status
-        set(value) { _status = value }
+        set(value) {
+            _status = value
+        }
 
-    @Transient var download: Download? = null
+    @Transient
+    var download: Download? = null
 
     val isDownloaded: Boolean
         get() = status == Download.DOWNLOADED
@@ -29,7 +32,7 @@ class RecentChapterItem(val chapter: Chapter, val manga: Manga, header: DateItem
     }
 
     override fun createViewHolder(view: View, adapter: FlexibleAdapter<IFlexible<RecyclerView.ViewHolder>>): RecentChapterHolder {
-        return RecentChapterHolder(view , adapter as RecentChaptersAdapter)
+        return RecentChapterHolder(view, adapter as RecentChaptersAdapter)
     }
 
     override fun bindViewHolder(adapter: FlexibleAdapter<IFlexible<RecyclerView.ViewHolder>>,

app/src/main/java/eu/kanade/tachiyomi/ui/recent_updates/RecentChaptersPresenter.kt

@@ -38,8 +38,8 @@ class RecentChaptersPresenter(
                 .subscribeLatestCache(RecentChaptersController::onNextRecentChapters)
 
         getChapterStatusObservable()
-                .subscribeLatestCache(RecentChaptersController::onChapterStatusChange) {
+                .subscribeLatestCache(RecentChaptersController::onChapterStatusChange) { _, error ->
-                    _, error -> Timber.e(error)
+                    Timber.e(error)
                 }
     }
 

app/src/main/java/eu/kanade/tachiyomi/ui/recently_read/RecentlyReadAdapter.kt

@@ -18,7 +18,7 @@ import java.text.DecimalFormatSymbols
  * @constructor creates an instance of the adapter.
  */
 class RecentlyReadAdapter(controller: RecentlyReadController)
-: FlexibleAdapter<RecentlyReadItem>(null, controller, true) {
+    : FlexibleAdapter<RecentlyReadItem>(null, controller, true) {
 
     val sourceManager by injectLazy<SourceManager>()
 

app/src/main/java/eu/kanade/tachiyomi/ui/recently_read/RecentlyReadPresenter.kt

@@ -99,8 +99,9 @@ class RecentlyReadPresenter : BasePresenter<RecentlyReadController>() {
 
                 ((currChapterIndex + 1) until chapters.size)
                         .map { chapters[it] }
-                        .firstOrNull { it.chapter_number > chapterNumber &&
+                        .firstOrNull {
-                                it.chapter_number <= chapterNumber + 1
+                            it.chapter_number > chapterNumber &&
+                                    it.chapter_number <= chapterNumber + 1
                         }
             }
             else -> throw NotImplementedError("Unknown sorting method")

app/src/main/java/eu/kanade/tachiyomi/ui/recently_read/RemoveHistoryDialog.kt

@@ -11,7 +11,7 @@ import eu.kanade.tachiyomi.ui.base.controller.DialogController
 import eu.kanade.tachiyomi.widget.DialogCheckboxView
 
 class RemoveHistoryDialog<T>(bundle: Bundle? = null) : DialogController(bundle)
-        where T : Controller, T: RemoveHistoryDialog.Listener {
+        where T : Controller, T : RemoveHistoryDialog.Listener {
 
     private var manga: Manga? = null
 
@@ -53,4 +53,4 @@ class RemoveHistoryDialog<T>(bundle: Bundle? = null) : DialogController(bundle)
         fun removeHistory(manga: Manga, history: History, all: Boolean)
     }
 
-}
+}

app/src/main/java/eu/kanade/tachiyomi/ui/setting/SettingsBackupController.kt

@@ -109,10 +109,10 @@ class SettingsBackupController : SettingsController() {
 
                 onClick {
                     val currentDir = preferences.backupsDirectory().getOrDefault()
-                    try{
+                    try {
                         val intent = Intent(Intent.ACTION_OPEN_DOCUMENT_TREE)
                         startActivityForResult(intent, CODE_BACKUP_DIR)
-                    } catch (e: ActivityNotFoundException){
+                    } catch (e: ActivityNotFoundException) {
                         // Fall back to custom picker on error
                         startActivityForResult(preferences.context.getFilePicker(currentDir), CODE_BACKUP_DIR)
                     }

app/src/main/java/eu/kanade/tachiyomi/ui/setting/SettingsLibraryController.kt

@@ -111,7 +111,7 @@ class SettingsLibraryController : SettingsController() {
                 key = Keys.libraryUpdateCategories
                 titleRes = R.string.pref_library_update_categories
                 entries = categories.map { it.name }.toTypedArray()
-                entryValues =  categories.map { it.id.toString() }.toTypedArray()
+                entryValues = categories.map { it.id.toString() }.toTypedArray()
                 preferences.libraryUpdateCategories().asObservable()
                         .subscribeUntilDestroy {
                             val selectedCategories = it
@@ -171,7 +171,8 @@ class SettingsLibraryController : SettingsController() {
                 defaultValue = "-1"
 
                 val selectedCategory = categories.find { it.id == preferences.defaultCategory() }
-                summary = selectedCategory?.name ?: context.getString(R.string.default_category_summary)
+                summary = selectedCategory?.name
+                        ?: context.getString(R.string.default_category_summary)
                 onChange { newValue ->
                     summary = categories.find {
                         it.id == (newValue as String).toInt()

app/src/main/java/eu/kanade/tachiyomi/ui/webview/WebViewActivity.kt

@@ -53,7 +53,8 @@ class WebViewActivity : BaseActivity() {
         }
 
         if (bundle == null) {
-            val source = sourceManager.get(intent.extras!!.getLong(SOURCE_KEY)) as? HttpSource ?: return
+            val source = sourceManager.get(intent.extras!!.getLong(SOURCE_KEY)) as? HttpSource
+                    ?: return
             val url = intent.extras!!.getString(URL_KEY) ?: return
             val headers = source.headers.toMultimap().mapValues { it.value.getOrNull(0) ?: "" }
 

app/src/main/java/eu/kanade/tachiyomi/util/preference/PreferenceDSL.kt

@@ -65,14 +65,14 @@ fun initDialog(dialogPreference: DialogPreference) {
 inline fun <P : Preference> PreferenceGroup.initThenAdd(p: P, block: P.() -> Unit): P {
     return p.apply {
         block()
-        this.isIconSpaceReserved  = false
+        this.isIconSpaceReserved = false
         addPreference(this)
     }
 }
 
 inline fun <P : Preference> PreferenceGroup.addThenInit(p: P, block: P.() -> Unit): P {
     return p.apply {
-        this.isIconSpaceReserved  = false
+        this.isIconSpaceReserved = false
         addPreference(this)
         block()
     }
@@ -88,28 +88,42 @@ inline fun Preference.onChange(crossinline block: (Any?) -> Boolean) {
 
 var Preference.defaultValue: Any?
     get() = null // set only
-    set(value) { setDefaultValue(value) }
+    set(value) {
+        setDefaultValue(value)
+    }
 
 var Preference.titleRes: Int
     get() = 0 // set only
-    set(value) { setTitle(value) }
+    set(value) {
+        setTitle(value)
+    }
 
 var Preference.iconRes: Int
     get() = 0 // set only
-    set(value) { icon = VectorDrawableCompat.create(context.resources, value, context.theme) }
+    set(value) {
+        icon = VectorDrawableCompat.create(context.resources, value, context.theme)
+    }
 
 var Preference.summaryRes: Int
     get() = 0 // set only
-    set(value) { setSummary(value) }
+    set(value) {
+        setSummary(value)
+    }
 
 var Preference.iconTint: Int
     get() = 0 // set only
-    set(value) { DrawableCompat.setTint(icon, value) }
+    set(value) {
+        DrawableCompat.setTint(icon, value)
+    }
 
 var ListPreference.entriesRes: Array<Int>
     get() = emptyArray() // set only
-    set(value) { entries = value.map { context.getString(it) }.toTypedArray() }
+    set(value) {
+        entries = value.map { context.getString(it) }.toTypedArray()
+    }
 
 var MultiSelectListPreference.entriesRes: Array<Int>
     get() = emptyArray() // set only
-    set(value) { entries = value.map { context.getString(it) }.toTypedArray() }
+    set(value) {
+        entries = value.map { context.getString(it) }.toTypedArray()
+    }

app/src/main/java/eu/kanade/tachiyomi/util/storage/EpubFile.kt

@@ -79,8 +79,8 @@ class EpubFile(file: File) : Closeable {
      */
     private fun getPagesFromDocument(document: Document): List<String> {
         val pages = document.select("manifest > item")
-            .filter { "application/xhtml+xml" == it.attr("media-type") }
+                .filter { "application/xhtml+xml" == it.attr("media-type") }
-            .associateBy { it.attr("id") }
+                .associateBy { it.attr("id") }
 
         val spine = document.select("spine > itemref").map { it.attr("idref") }
         return spine.mapNotNull { pages[it] }.map { it.attr("href") }

app/src/main/java/eu/kanade/tachiyomi/util/system/ContextExtensions.kt

@@ -90,8 +90,7 @@ fun Context.getFilePicker(currentDir: String): Intent {
  * @param permission the permission to check.
  * @return true if it has permissions.
  */
-fun Context.hasPermission(permission: String)
+fun Context.hasPermission(permission: String) = ContextCompat.checkSelfPermission(this, permission) == PackageManager.PERMISSION_GRANTED
-        = ContextCompat.checkSelfPermission(this, permission) == PackageManager.PERMISSION_GRANTED
 
 /**
  * Returns the color for the given attribute.

app/src/main/java/eu/kanade/tachiyomi/util/system/ImageUtil.kt

@@ -44,7 +44,7 @@ object ImageUtil {
             if (bytes.compareWith("RIFF".toByteArray())) {
                 return ImageType.WEBP
             }
-        } catch(e: Exception) {
+        } catch (e: Exception) {
         }
         return null
     }